Finding the Fourth Proportional to 42,379.88, 63,586.52 and 16,091.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.88 : 63,586.52 = 16,091.60 : x
2. Step 2: Convert to fraction form
   42,379.88/63,586.52 = 16,091.60/x
3. Step 3: Cross multiply
   42,379.88x = 63,586.52 × 16,091.60
4. Step 4: Simplify right side
   42,379.88x = 1,023,208,845.23
5. Step 5: Solve for x
   x = 1,023,208,845.23/42,379.88
6. Step 6: Final answer
   x = 24,143.74