Finding the Fourth Proportional to 42,499.56, 63,751.42 and 16,199.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,499.56 : 63,751.42 = 16,199.40 : x
2. Step 2: Convert to fraction form
   42,499.56/63,751.42 = 16,199.40/x
3. Step 3: Cross multiply
   42,499.56x = 63,751.42 × 16,199.40
4. Step 4: Simplify right side
   42,499.56x = 1,032,734,753.15
5. Step 5: Solve for x
   x = 1,032,734,753.15/42,499.56
6. Step 6: Final answer
   x = 24,299.89