Finding the Fourth Proportional to 42,185.61, 63,278.55 and 15,883.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,185.61 : 63,278.55 = 15,883.29 : x
2. Step 2: Convert to fraction form
   42,185.61/63,278.55 = 15,883.29/x
3. Step 3: Cross multiply
   42,185.61x = 63,278.55 × 15,883.29
4. Step 4: Simplify right side
   42,185.61x = 1,005,071,560.43
5. Step 5: Solve for x
   x = 1,005,071,560.43/42,185.61
6. Step 6: Final answer
   x = 23,824.99