Finding the Fourth Proportional to 42,002.82, 63,002.17 and 15,705.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.82 : 63,002.17 = 15,705.51 : x
2. Step 2: Convert to fraction form
   42,002.82/63,002.17 = 15,705.51/x
3. Step 3: Cross multiply
   42,002.82x = 63,002.17 × 15,705.51
4. Step 4: Simplify right side
   42,002.82x = 989,481,210.96
5. Step 5: Solve for x
   x = 989,481,210.96/42,002.82
6. Step 6: Final answer
   x = 23,557.49