Finding the Fourth Proportional to 42,549.18, 63,863.16 and 21,504.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,549.18 : 63,863.16 = 21,504.02 : x
2. Step 2: Convert to fraction form
   42,549.18/63,863.16 = 21,504.02/x
3. Step 3: Cross multiply
   42,549.18x = 63,863.16 × 21,504.02
4. Step 4: Simplify right side
   42,549.18x = 1,373,314,669.90
5. Step 5: Solve for x
   x = 1,373,314,669.90/42,549.18
6. Step 6: Final answer
   x = 32,275.94