Finding the Fourth Proportional to 42,026.96, 63,042.60 and 10,862.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,026.96 : 63,042.60 = 10,862.48 : x
2. Step 2: Convert to fraction form
   42,026.96/63,042.60 = 10,862.48/x
3. Step 3: Cross multiply
   42,026.96x = 63,042.60 × 10,862.48
4. Step 4: Simplify right side
   42,026.96x = 684,798,981.65
5. Step 5: Solve for x
   x = 684,798,981.65/42,026.96
6. Step 6: Final answer
   x = 16,294.28