Finding the Fourth Proportional to 215,498,080.96, 297,387,340.35 and 116,378,818.81

Step by Step Solution

1. Step 1: Write the proportion equation
   215,498,080.96 : 297,387,340.35 = 116,378,818.81 : x
2. Step 2: Convert to fraction form
   215,498,080.96/297,387,340.35 = 116,378,818.81/x
3. Step 3: Cross multiply
   215,498,080.96x = 297,387,340.35 × 116,378,818.81
4. Step 4: Simplify right side
   215,498,080.96x = 34,609,587,398,980,456
5. Step 5: Solve for x
   x = 34,609,587,398,980,456/215,498,080.96
6. Step 6: Final answer
   x = 160,602,763.81