Finding the Fourth Proportional to 78,082.55, 107,754.67 and 42,273.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,082.55 : 107,754.67 = 42,273.33 : x
2. Step 2: Convert to fraction form
   78,082.55/107,754.67 = 42,273.33/x
3. Step 3: Cross multiply
   78,082.55x = 107,754.67 × 42,273.33
4. Step 4: Simplify right side
   78,082.55x = 4,555,148,372.71
5. Step 5: Solve for x
   x = 4,555,148,372.71/78,082.55
6. Step 6: Final answer
   x = 58,337.60