Finding the Fourth Proportional to 78,111.85, 107,794.14 and 42,301.85

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.85 : 107,794.14 = 42,301.85 : x
2. Step 2: Convert to fraction form
   78,111.85/107,794.14 = 42,301.85/x
3. Step 3: Cross multiply
   78,111.85x = 107,794.14 × 42,301.85
4. Step 4: Simplify right side
   78,111.85x = 4,559,891,541.16
5. Step 5: Solve for x
   x = 4,559,891,541.16/78,111.85
6. Step 6: Final answer
   x = 58,376.44