Finding the Fourth Proportional to 13,787.30, 19,025.92 and 7,499.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.30 : 19,025.92 = 7,499.68 : x
2. Step 2: Convert to fraction form
   13,787.30/19,025.92 = 7,499.68/x
3. Step 3: Cross multiply
   13,787.30x = 19,025.92 × 7,499.68
4. Step 4: Simplify right side
   13,787.30x = 142,688,311.71
5. Step 5: Solve for x
   x = 142,688,311.71/13,787.30
6. Step 6: Final answer
   x = 10,349.26