Finding the Fourth Proportional to 78,685,148.23, 108,604,968.41 and 53,608,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,685,148.23 : 108,604,968.41 = 53,608,754.72 : x
2. Step 2: Convert to fraction form
   78,685,148.23/108,604,968.41 = 53,608,754.72/x
3. Step 3: Cross multiply
   78,685,148.23x = 108,604,968.41 × 53,608,754.72
4. Step 4: Simplify right side
   78,685,148.23x = 5,822,177,113,270,572
5. Step 5: Solve for x
   x = 5,822,177,113,270,572/78,685,148.23
6. Step 6: Final answer
   x = 73,993,342.38