Finding the Fourth Proportional to 5,530.55, 8,314.04 and 5,124.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,530.55 : 8,314.04 = 5,124.74 : x
2. Step 2: Convert to fraction form
   5,530.55/8,314.04 = 5,124.74/x
3. Step 3: Cross multiply
   5,530.55x = 8,314.04 × 5,124.74
4. Step 4: Simplify right side
   5,530.55x = 42,607,264.59
5. Step 5: Solve for x
   x = 42,607,264.59/5,530.55
6. Step 6: Final answer
   x = 7,703.99