Finding the Fourth Proportional to 42,280.57, 63,379.68 and 23,543.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.57 : 63,379.68 = 23,543.38 : x
2. Step 2: Convert to fraction form
   42,280.57/63,379.68 = 23,543.38/x
3. Step 3: Cross multiply
   42,280.57x = 63,379.68 × 23,543.38
4. Step 4: Simplify right side
   42,280.57x = 1,492,171,890.52
5. Step 5: Solve for x
   x = 1,492,171,890.52/42,280.57
6. Step 6: Final answer
   x = 35,292.14