Finding the Fourth Proportional to 78,771.95, 108,705.29 and 42,961.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,771.95 : 108,705.29 = 42,961.95 : x
2. Step 2: Convert to fraction form
   78,771.95/108,705.29 = 42,961.95/x
3. Step 3: Cross multiply
   78,771.95x = 108,705.29 × 42,961.95
4. Step 4: Simplify right side
   78,771.95x = 4,670,191,018.91
5. Step 5: Solve for x
   x = 4,670,191,018.91/78,771.95
6. Step 6: Final answer
   x = 59,287.49