Finding the Fourth Proportional to 12,192,423.86, 18,304,242.56 and 10,474,285.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,192,423.86 : 18,304,242.56 = 10,474,285.83 : x
2. Step 2: Convert to fraction form
   12,192,423.86/18,304,242.56 = 10,474,285.83/x
3. Step 3: Cross multiply
   12,192,423.86x = 18,304,242.56 × 10,474,285.83
4. Step 4: Simplify right side
   12,192,423.86x = 191,723,868,422,719.50
5. Step 5: Solve for x
   x = 191,723,868,422,719.50/12,192,423.86
6. Step 6: Final answer
   x = 15,724,836.23