Finding the Fourth Proportional to 42,147.37, 63,223.49 and 15,852.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147.37 : 63,223.49 = 15,852.34 : x
2. Step 2: Convert to fraction form
   42,147.37/63,223.49 = 15,852.34/x
3. Step 3: Cross multiply
   42,147.37x = 63,223.49 × 15,852.34
4. Step 4: Simplify right side
   42,147.37x = 1,002,240,288.96
5. Step 5: Solve for x
   x = 1,002,240,288.96/42,147.37
6. Step 6: Final answer
   x = 23,779.43