Finding the Fourth Proportional to 70,492,662.67, 105,721,053.31 and 21,961,470.55

Step by Step Solution

1. Step 1: Write the proportion equation
   70,492,662.67 : 105,721,053.31 = 21,961,470.55 : x
2. Step 2: Convert to fraction form
   70,492,662.67/105,721,053.31 = 21,961,470.55/x
3. Step 3: Cross multiply
   70,492,662.67x = 105,721,053.31 × 21,961,470.55
4. Step 4: Simplify right side
   70,492,662.67x = 2,321,789,798,782,545
5. Step 5: Solve for x
   x = 2,321,789,798,782,545/70,492,662.67
6. Step 6: Final answer
   x = 32,936,616.53