Finding the Fourth Proportional to 22,146,732.42, 30,562,575.24 and 12,357,589.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146,732.42 : 30,562,575.24 = 12,357,589.20 : x
2. Step 2: Convert to fraction form
   22,146,732.42/30,562,575.24 = 12,357,589.20/x
3. Step 3: Cross multiply
   22,146,732.42x = 30,562,575.24 × 12,357,589.20
4. Step 4: Simplify right side
   22,146,732.42x = 377,679,749,710,011.38
5. Step 5: Solve for x
   x = 377,679,749,710,011.38/22,146,732.42
6. Step 6: Final answer
   x = 17,053,520.25