Finding the Fourth Proportional to 42,084.79, 63,124.71 and 15,787.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.79 : 63,124.71 = 15,787.33 : x
2. Step 2: Convert to fraction form
   42,084.79/63,124.71 = 15,787.33/x
3. Step 3: Cross multiply
   42,084.79x = 63,124.71 × 15,787.33
4. Step 4: Simplify right side
   42,084.79x = 996,570,627.92
5. Step 5: Solve for x
   x = 996,570,627.92/42,084.79
6. Step 6: Final answer
   x = 23,680.07