Finding the Fourth Proportional to 120,262,272.52, 165,962,391.25 and 65,258,129.02

Step by Step Solution

1. Step 1: Write the proportion equation
   120,262,272.52 : 165,962,391.25 = 65,258,129.02 : x
2. Step 2: Convert to fraction form
   120,262,272.52/165,962,391.25 = 65,258,129.02/x
3. Step 3: Cross multiply
   120,262,272.52x = 165,962,391.25 × 65,258,129.02
4. Step 4: Simplify right side
   120,262,272.52x = 10,830,395,140,660,220
5. Step 5: Solve for x
   x = 10,830,395,140,660,220/120,262,272.52
6. Step 6: Final answer
   x = 90,056,465.04