Finding the Fourth Proportional to 7,374.88, 10,177.82 and 5,587.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,374.88 : 10,177.82 = 5,587.78 : x
2. Step 2: Convert to fraction form
   7,374.88/10,177.82 = 5,587.78/x
3. Step 3: Cross multiply
   7,374.88x = 10,177.82 × 5,587.78
4. Step 4: Simplify right side
   7,374.88x = 56,871,419.04
5. Step 5: Solve for x
   x = 56,871,419.04/7,374.88
6. Step 6: Final answer
   x = 7,711.50