Finding the Fourth Proportional to 12,359.92, 17,058.12 and 7,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.92 : 17,058.12 = 7,055.50 : x
2. Step 2: Convert to fraction form
   12,359.92/17,058.12 = 7,055.50/x
3. Step 3: Cross multiply
   12,359.92x = 17,058.12 × 7,055.50
4. Step 4: Simplify right side
   12,359.92x = 120,353,565.66
5. Step 5: Solve for x
   x = 120,353,565.66/12,359.92
6. Step 6: Final answer
   x = 9,737.41