Finding the Fourth Proportional to 12,641.16, 17,437.50 and 7,601.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,641.16 : 17,437.50 = 7,601.88 : x
2. Step 2: Convert to fraction form
   12,641.16/17,437.50 = 7,601.88/x
3. Step 3: Cross multiply
   12,641.16x = 17,437.50 × 7,601.88
4. Step 4: Simplify right side
   12,641.16x = 132,557,782.50
5. Step 5: Solve for x
   x = 132,557,782.50/12,641.16
6. Step 6: Final answer
   x = 10,486.20