Finding the Fourth Proportional to 42,498.30, 63,790.38 and 17,553.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,498.30 : 63,790.38 = 17,553.18 : x
2. Step 2: Convert to fraction form
   42,498.30/63,790.38 = 17,553.18/x
3. Step 3: Cross multiply
   42,498.30x = 63,790.38 × 17,553.18
4. Step 4: Simplify right side
   42,498.30x = 1,119,724,022.41
5. Step 5: Solve for x
   x = 1,119,724,022.41/42,498.30
6. Step 6: Final answer
   x = 26,347.50