Finding the Fourth Proportional to 64,580,151.55, 96,915,621.33 and 58,405,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,580,151.55 : 96,915,621.33 = 58,405,637.50 : x
2. Step 2: Convert to fraction form
   64,580,151.55/96,915,621.33 = 58,405,637.50/x
3. Step 3: Cross multiply
   64,580,151.55x = 96,915,621.33 × 58,405,637.50
4. Step 4: Simplify right side
   64,580,151.55x = 5,660,418,646,710,641
5. Step 5: Solve for x
   x = 5,660,418,646,710,641/64,580,151.55
6. Step 6: Final answer
   x = 87,649,510.12