Finding the Fourth Proportional to 22,161,434.96, 30,582,460.99 and 12,238,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,161,434.96 : 30,582,460.99 = 12,238,737.50 : x
2. Step 2: Convert to fraction form
   22,161,434.96/30,582,460.99 = 12,238,737.50/x
3. Step 3: Cross multiply
   22,161,434.96x = 30,582,460.99 × 12,238,737.50
4. Step 4: Simplify right side
   22,161,434.96x = 374,290,712,007,687.75
5. Step 5: Solve for x
   x = 374,290,712,007,687.75/22,161,434.96
6. Step 6: Final answer
   x = 16,889,281.44