Finding the Fourth Proportional to 42,111.50, 63,183.68 and 15,818.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.50 : 63,183.68 = 15,818.32 : x
2. Step 2: Convert to fraction form
   42,111.50/63,183.68 = 15,818.32/x
3. Step 3: Cross multiply
   42,111.50x = 63,183.68 × 15,818.32
4. Step 4: Simplify right side
   42,111.50x = 999,459,274.01
5. Step 5: Solve for x
   x = 999,459,274.01/42,111.50
6. Step 6: Final answer
   x = 23,733.64