Finding the Fourth Proportional to 12,737.69, 17,577.98 and 7,431.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.69 : 17,577.98 = 7,431.48 : x
2. Step 2: Convert to fraction form
   12,737.69/17,577.98 = 7,431.48/x
3. Step 3: Cross multiply
   12,737.69x = 17,577.98 × 7,431.48
4. Step 4: Simplify right side
   12,737.69x = 130,630,397.52
5. Step 5: Solve for x
   x = 130,630,397.52/12,737.69
6. Step 6: Final answer
   x = 10,255.42