Finding the Fourth Proportional to 7,488.15, 10,333.68 and 4,131

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.15 : 10,333.68 = 4,131 : x
2. Step 2: Convert to fraction form
   7,488.15/10,333.68 = 4,131/x
3. Step 3: Cross multiply
   7,488.15x = 10,333.68 × 4,131
4. Step 4: Simplify right side
   7,488.15x = 42,688,416.59
5. Step 5: Solve for x
   x = 42,688,416.59/7,488.15
6. Step 6: Final answer
   x = 5,700.80