Finding the Fourth Proportional to 78,060.71, 107,723.12 and 42,250.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,060.71 : 107,723.12 = 42,250.41 : x
2. Step 2: Convert to fraction form
   78,060.71/107,723.12 = 42,250.41/x
3. Step 3: Cross multiply
   78,060.71x = 107,723.12 × 42,250.41
4. Step 4: Simplify right side
   78,060.71x = 4,551,345,775.23
5. Step 5: Solve for x
   x = 4,551,345,775.23/78,060.71
6. Step 6: Final answer
   x = 58,305.20