Finding the Fourth Proportional to 42,076.71, 63,126.05 and 15,781.95

Step by Step Solution

1. Step 1: Write the proportion equation
   42,076.71 : 63,126.05 = 15,781.95 : x
2. Step 2: Convert to fraction form
   42,076.71/63,126.05 = 15,781.95/x
3. Step 3: Cross multiply
   42,076.71x = 63,126.05 × 15,781.95
4. Step 4: Simplify right side
   42,076.71x = 996,252,085.89
5. Step 5: Solve for x
   x = 996,252,085.89/42,076.71
6. Step 6: Final answer
   x = 23,677.04