Finding the Fourth Proportional to 10,490.52, 14,435.74 and 10,425.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.52 : 14,435.74 = 10,425.72 : x
2. Step 2: Convert to fraction form
   10,490.52/14,435.74 = 10,425.72/x
3. Step 3: Cross multiply
   10,490.52x = 14,435.74 × 10,425.72
4. Step 4: Simplify right side
   10,490.52x = 150,502,983.23
5. Step 5: Solve for x
   x = 150,502,983.23/10,490.52
6. Step 6: Final answer
   x = 14,346.57