Finding the Fourth Proportional to 78,060.06, 107,723.16 and 42,250.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,060.06 : 107,723.16 = 42,250.50 : x
2. Step 2: Convert to fraction form
   78,060.06/107,723.16 = 42,250.50/x
3. Step 3: Cross multiply
   78,060.06x = 107,723.16 × 42,250.50
4. Step 4: Simplify right side
   78,060.06x = 4,551,357,371.58
5. Step 5: Solve for x
   x = 4,551,357,371.58/78,060.06
6. Step 6: Final answer
   x = 58,305.84