Finding the Fourth Proportional to 78,176.86, 107,884.15 and 42,366.87

Step by Step Solution

1. Step 1: Write the proportion equation
   78,176.86 : 107,884.15 = 42,366.87 : x
2. Step 2: Convert to fraction form
   78,176.86/107,884.15 = 42,366.87/x
3. Step 3: Cross multiply
   78,176.86x = 107,884.15 × 42,366.87
4. Step 4: Simplify right side
   78,176.86x = 4,570,713,218.69
5. Step 5: Solve for x
   x = 4,570,713,218.69/78,176.86
6. Step 6: Final answer
   x = 58,466.32