Finding the Fourth Proportional to 78,573,904,747.31, 108,452,163,386.59 and 51,175,764,959.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,573,904,747.31 : 108,452,163,386.59 = 51,175,764,959.47 : x
2. Step 2: Convert to fraction form
   78,573,904,747.31/108,452,163,386.59 = 51,175,764,959.47/x
3. Step 3: Cross multiply
   78,573,904,747.31x = 108,452,163,386.59 × 51,175,764,959.47
4. Step 4: Simplify right side
   78,573,904,747.31x = 5,550,122,422,817,842,528,256
5. Step 5: Solve for x
   x = 5,550,122,422,817,842,528,256/78,573,904,747.31
6. Step 6: Final answer
   x = 70,635,695,663.42