Finding the Fourth Proportional to 78,060.67, 107,723.70 and 42,250.97

Step by Step Solution

1. Step 1: Write the proportion equation
   78,060.67 : 107,723.70 = 42,250.97 : x
2. Step 2: Convert to fraction form
   78,060.67/107,723.70 = 42,250.97/x
3. Step 3: Cross multiply
   78,060.67x = 107,723.70 × 42,250.97
4. Step 4: Simplify right side
   78,060.67x = 4,551,431,086.30
5. Step 5: Solve for x
   x = 4,551,431,086.30/78,060.67
6. Step 6: Final answer
   x = 58,306.33