Finding the Fourth Proportional to 147,088,685.92, 220,479,763.92 and 82,297,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,088,685.92 : 220,479,763.92 = 82,297,498.72 : x
2. Step 2: Convert to fraction form
   147,088,685.92/220,479,763.92 = 82,297,498.72/x
3. Step 3: Cross multiply
   147,088,685.92x = 220,479,763.92 × 82,297,498.72
4. Step 4: Simplify right side
   147,088,685.92x = 18,144,933,088,992,100
5. Step 5: Solve for x
   x = 18,144,933,088,992,100/147,088,685.92
6. Step 6: Final answer
   x = 123,360,494.90