Finding the Fourth Proportional to 42,147.16, 63,253.40 and 15,875.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147.16 : 63,253.40 = 15,875.80 : x
2. Step 2: Convert to fraction form
   42,147.16/63,253.40 = 15,875.80/x
3. Step 3: Cross multiply
   42,147.16x = 63,253.40 × 15,875.80
4. Step 4: Simplify right side
   42,147.16x = 1,004,198,327.72
5. Step 5: Solve for x
   x = 1,004,198,327.72/42,147.16
6. Step 6: Final answer
   x = 23,826.00