Finding the Fourth Proportional to 12,150.90, 16,763.31 and 7,437.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.90 : 16,763.31 = 7,437.92 : x
2. Step 2: Convert to fraction form
   12,150.90/16,763.31 = 7,437.92/x
3. Step 3: Cross multiply
   12,150.90x = 16,763.31 × 7,437.92
4. Step 4: Simplify right side
   12,150.90x = 124,684,074.90
5. Step 5: Solve for x
   x = 124,684,074.90/12,150.90
6. Step 6: Final answer
   x = 10,261.30