Finding the Fourth Proportional to 12,490.08, 17,238.06 and 7,184.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,490.08 : 17,238.06 = 7,184.76 : x
2. Step 2: Convert to fraction form
   12,490.08/17,238.06 = 7,184.76/x
3. Step 3: Cross multiply
   12,490.08x = 17,238.06 × 7,184.76
4. Step 4: Simplify right side
   12,490.08x = 123,851,323.97
5. Step 5: Solve for x
   x = 123,851,323.97/12,490.08
6. Step 6: Final answer
   x = 9,915.98