Finding the Fourth Proportional to 7,488.75, 10,334.49 and 4,131.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.75 : 10,334.49 = 4,131.61 : x
2. Step 2: Convert to fraction form
   7,488.75/10,334.49 = 4,131.61/x
3. Step 3: Cross multiply
   7,488.75x = 10,334.49 × 4,131.61
4. Step 4: Simplify right side
   7,488.75x = 42,698,040.90
5. Step 5: Solve for x
   x = 42,698,040.90/7,488.75
6. Step 6: Final answer
   x = 5,701.62