Finding the Fourth Proportional to 10,265.88, 15,399.59 and 3,692.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.88 : 15,399.59 = 3,692.10 : x
2. Step 2: Convert to fraction form
   10,265.88/15,399.59 = 3,692.10/x
3. Step 3: Cross multiply
   10,265.88x = 15,399.59 × 3,692.10
4. Step 4: Simplify right side
   10,265.88x = 56,856,807.78
5. Step 5: Solve for x
   x = 56,856,807.78/10,265.88
6. Step 6: Final answer
   x = 5,538.43