Finding the Fourth Proportional to 22,787,356.56, 31,446,549.72 and 12,474,086.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,787,356.56 : 31,446,549.72 = 12,474,086.64 : x
2. Step 2: Convert to fraction form
   22,787,356.56/31,446,549.72 = 12,474,086.64/x
3. Step 3: Cross multiply
   22,787,356.56x = 31,446,549.72 × 12,474,086.64
4. Step 4: Simplify right side
   22,787,356.56x = 392,266,985,736,347.75
5. Step 5: Solve for x
   x = 392,266,985,736,347.75/22,787,356.56
6. Step 6: Final answer
   x = 17,214,238.29