Finding the Fourth Proportional to 42,581.34, 63,879.71 and 17,607.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,581.34 : 63,879.71 = 17,607.83 : x
2. Step 2: Convert to fraction form
   42,581.34/63,879.71 = 17,607.83/x
3. Step 3: Cross multiply
   42,581.34x = 63,879.71 × 17,607.83
4. Step 4: Simplify right side
   42,581.34x = 1,124,782,666.69
5. Step 5: Solve for x
   x = 1,124,782,666.69/42,581.34
6. Step 6: Final answer
   x = 26,414.92