Finding the Fourth Proportional to 42,116.69, 63,153.91 and 14,026.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,116.69 : 63,153.91 = 14,026.87 : x
2. Step 2: Convert to fraction form
   42,116.69/63,153.91 = 14,026.87/x
3. Step 3: Cross multiply
   42,116.69x = 63,153.91 × 14,026.87
4. Step 4: Simplify right side
   42,116.69x = 885,851,782.04
5. Step 5: Solve for x
   x = 885,851,782.04/42,116.69
6. Step 6: Final answer
   x = 21,033.27