Finding the Fourth Proportional to 42,098.48, 63,145.56 and 15,801.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,098.48 : 63,145.56 = 15,801.20 : x
2. Step 2: Convert to fraction form
   42,098.48/63,145.56 = 15,801.20/x
3. Step 3: Cross multiply
   42,098.48x = 63,145.56 × 15,801.20
4. Step 4: Simplify right side
   42,098.48x = 997,775,622.67
5. Step 5: Solve for x
   x = 997,775,622.67/42,098.48
6. Step 6: Final answer
   x = 23,700.99