Finding the Fourth Proportional to 7,925.50, 10,937.19 and 5,131

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925.50 : 10,937.19 = 5,131 : x
2. Step 2: Convert to fraction form
   7,925.50/10,937.19 = 5,131/x
3. Step 3: Cross multiply
   7,925.50x = 10,937.19 × 5,131
4. Step 4: Simplify right side
   7,925.50x = 56,118,721.89
5. Step 5: Solve for x
   x = 56,118,721.89/7,925.50
6. Step 6: Final answer
   x = 7,080.78