Finding the Fourth Proportional to 17,265.76, 25,899.18 and 4,785.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,265.76 : 25,899.18 = 4,785.90 : x
2. Step 2: Convert to fraction form
   17,265.76/25,899.18 = 4,785.90/x
3. Step 3: Cross multiply
   17,265.76x = 25,899.18 × 4,785.90
4. Step 4: Simplify right side
   17,265.76x = 123,950,885.56
5. Step 5: Solve for x
   x = 123,950,885.56/17,265.76
6. Step 6: Final answer
   x = 7,179.00