Finding the Fourth Proportional to 12,741.95, 17,580.43 and 7,152.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.95 : 17,580.43 = 7,152.83 : x
2. Step 2: Convert to fraction form
   12,741.95/17,580.43 = 7,152.83/x
3. Step 3: Cross multiply
   12,741.95x = 17,580.43 × 7,152.83
4. Step 4: Simplify right side
   12,741.95x = 125,749,827.12
5. Step 5: Solve for x
   x = 125,749,827.12/12,741.95
6. Step 6: Final answer
   x = 9,868.96