Finding the Fourth Proportional to 117,335,327.68, 161,921,562.06 and 65,124,814.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,335,327.68 : 161,921,562.06 = 65,124,814.24 : x
2. Step 2: Convert to fraction form
   117,335,327.68/161,921,562.06 = 65,124,814.24/x
3. Step 3: Cross multiply
   117,335,327.68x = 161,921,562.06 × 65,124,814.24
4. Step 4: Simplify right side
   117,335,327.68x = 10,545,111,650,608,132
5. Step 5: Solve for x
   x = 10,545,111,650,608,132/117,335,327.68
6. Step 6: Final answer
   x = 89,871,583.09