Finding the Fourth Proportional to 42,105.94, 63,150.27 and 15,810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,105.94 : 63,150.27 = 15,810.10 : x
2. Step 2: Convert to fraction form
   42,105.94/63,150.27 = 15,810.10/x
3. Step 3: Cross multiply
   42,105.94x = 63,150.27 × 15,810.10
4. Step 4: Simplify right side
   42,105.94x = 998,412,083.73
5. Step 5: Solve for x
   x = 998,412,083.73/42,105.94
6. Step 6: Final answer
   x = 23,711.91