Finding the Fourth Proportional to 88,890,019.30, 133,618,464.15 and 83,788,185.70

Step by Step Solution

1. Step 1: Write the proportion equation
   88,890,019.30 : 133,618,464.15 = 83,788,185.70 : x
2. Step 2: Convert to fraction form
   88,890,019.30/133,618,464.15 = 83,788,185.70/x
3. Step 3: Cross multiply
   88,890,019.30x = 133,618,464.15 × 83,788,185.70
4. Step 4: Simplify right side
   88,890,019.30x = 11,195,648,687,148,994
5. Step 5: Solve for x
   x = 11,195,648,687,148,994/88,890,019.30
6. Step 6: Final answer
   x = 125,949,446.02