Finding the Fourth Proportional to 78,373.86, 108,155.88 and 42,563.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,373.86 : 108,155.88 = 42,563.88 : x
2. Step 2: Convert to fraction form
   78,373.86/108,155.88 = 42,563.88/x
3. Step 3: Cross multiply
   78,373.86x = 108,155.88 × 42,563.88
4. Step 4: Simplify right side
   78,373.86x = 4,603,533,897.61
5. Step 5: Solve for x
   x = 4,603,533,897.61/78,373.86
6. Step 6: Final answer
   x = 58,738.13