Finding the Fourth Proportional to 22,807,529.72, 31,474,140.18 and 12,353,285.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,807,529.72 : 31,474,140.18 = 12,353,285.96 : x
2. Step 2: Convert to fraction form
   22,807,529.72/31,474,140.18 = 12,353,285.96/x
3. Step 3: Cross multiply
   22,807,529.72x = 31,474,140.18 × 12,353,285.96
4. Step 4: Simplify right side
   22,807,529.72x = 388,809,053,988,665.88
5. Step 5: Solve for x
   x = 388,809,053,988,665.88/22,807,529.72
6. Step 6: Final answer
   x = 17,047,398.77