Finding the Fourth Proportional to 13,385.00, 18,470.52 and 7,416.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,385.00 : 18,470.52 = 7,416.31 : x
2. Step 2: Convert to fraction form
   13,385.00/18,470.52 = 7,416.31/x
3. Step 3: Cross multiply
   13,385.00x = 18,470.52 × 7,416.31
4. Step 4: Simplify right side
   13,385.00x = 136,982,972.75
5. Step 5: Solve for x
   x = 136,982,972.75/13,385.00
6. Step 6: Final answer
   x = 10,234.07