Finding the Fourth Proportional to 67,405.86, 100,895.54 and 42,359.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67,405.86 : 100,895.54 = 42,359.24 : x
2. Step 2: Convert to fraction form
   67,405.86/100,895.54 = 42,359.24/x
3. Step 3: Cross multiply
   67,405.86x = 100,895.54 × 42,359.24
4. Step 4: Simplify right side
   67,405.86x = 4,273,857,677.52
5. Step 5: Solve for x
   x = 4,273,857,677.52/67,405.86
6. Step 6: Final answer
   x = 63,404.84