Finding the Fourth Proportional to 78,111.10, 107,793.38 and 42,301.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.10 : 107,793.38 = 42,301.17 : x
2. Step 2: Convert to fraction form
   78,111.10/107,793.38 = 42,301.17/x
3. Step 3: Cross multiply
   78,111.10x = 107,793.38 × 42,301.17
4. Step 4: Simplify right side
   78,111.10x = 4,559,786,198.01
5. Step 5: Solve for x
   x = 4,559,786,198.01/78,111.10
6. Step 6: Final answer
   x = 58,375.65