Finding the Fourth Proportional to 42,143.76, 63,224.88 and 15,848.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143.76 : 63,224.88 = 15,848.49 : x
2. Step 2: Convert to fraction form
   42,143.76/63,224.88 = 15,848.49/x
3. Step 3: Cross multiply
   42,143.76x = 63,224.88 × 15,848.49
4. Step 4: Simplify right side
   42,143.76x = 1,002,019,056.09
5. Step 5: Solve for x
   x = 1,002,019,056.09/42,143.76
6. Step 6: Final answer
   x = 23,776.21