Finding the Fourth Proportional to 120,262,268.26, 165,962,385.39 and 65,258,124.76

Step by Step Solution

1. Step 1: Write the proportion equation
   120,262,268.26 : 165,962,385.39 = 65,258,124.76 : x
2. Step 2: Convert to fraction form
   120,262,268.26/165,962,385.39 = 65,258,124.76/x
3. Step 3: Cross multiply
   120,262,268.26x = 165,962,385.39 × 65,258,124.76
4. Step 4: Simplify right side
   120,262,268.26x = 10,830,394,051,333,242
5. Step 5: Solve for x
   x = 10,830,394,051,333,242/120,262,268.26
6. Step 6: Final answer
   x = 90,056,459.17