Finding the Fourth Proportional to 118,221,498.52, 163,172,868.06 and 69,344,672.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,221,498.52 : 163,172,868.06 = 69,344,672.92 : x
2. Step 2: Convert to fraction form
   118,221,498.52/163,172,868.06 = 69,344,672.92/x
3. Step 3: Cross multiply
   118,221,498.52x = 163,172,868.06 × 69,344,672.92
4. Step 4: Simplify right side
   118,221,498.52x = 11,315,169,165,039,016
5. Step 5: Solve for x
   x = 11,315,169,165,039,016/118,221,498.52
6. Step 6: Final answer
   x = 95,711,603.28