Finding the Fourth Proportional to 28,682.29, 42,974.83 and 17,565.76

Step by Step Solution

1. Step 1: Write the proportion equation
   28,682.29 : 42,974.83 = 17,565.76 : x
2. Step 2: Convert to fraction form
   28,682.29/42,974.83 = 17,565.76/x
3. Step 3: Cross multiply
   28,682.29x = 42,974.83 × 17,565.76
4. Step 4: Simplify right side
   28,682.29x = 754,885,549.82
5. Step 5: Solve for x
   x = 754,885,549.82/28,682.29
6. Step 6: Final answer
   x = 26,318.87