Finding the Fourth Proportional to 42,484.74, 63,672.61 and 17,542.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,484.74 : 63,672.61 = 17,542.31 : x
2. Step 2: Convert to fraction form
   42,484.74/63,672.61 = 17,542.31/x
3. Step 3: Cross multiply
   42,484.74x = 63,672.61 × 17,542.31
4. Step 4: Simplify right side
   42,484.74x = 1,116,964,663.13
5. Step 5: Solve for x
   x = 1,116,964,663.13/42,484.74
6. Step 6: Final answer
   x = 26,290.96