Finding the Fourth Proportional to 42,000.94, 63,012.78 and 15,708.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,000.94 : 63,012.78 = 15,708.34 : x
2. Step 2: Convert to fraction form
   42,000.94/63,012.78 = 15,708.34/x
3. Step 3: Cross multiply
   42,000.94x = 63,012.78 × 15,708.34
4. Step 4: Simplify right side
   42,000.94x = 989,826,172.59
5. Step 5: Solve for x
   x = 989,826,172.59/42,000.94
6. Step 6: Final answer
   x = 23,566.76