Finding the Fourth Proportional to 13,404.32, 18,500.18 and 7,437.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.32 : 18,500.18 = 7,437.92 : x
2. Step 2: Convert to fraction form
   13,404.32/18,500.18 = 7,437.92/x
3. Step 3: Cross multiply
   13,404.32x = 18,500.18 × 7,437.92
4. Step 4: Simplify right side
   13,404.32x = 137,602,784.92
5. Step 5: Solve for x
   x = 137,602,784.92/13,404.32
6. Step 6: Final answer
   x = 10,265.55