Finding the Fourth Proportional to 78,506.09, 108,337.36 and 42,695.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,506.09 : 108,337.36 = 42,695.33 : x
2. Step 2: Convert to fraction form
   78,506.09/108,337.36 = 42,695.33/x
3. Step 3: Cross multiply
   78,506.09x = 108,337.36 × 42,695.33
4. Step 4: Simplify right side
   78,506.09x = 4,625,499,229.79
5. Step 5: Solve for x
   x = 4,625,499,229.79/78,506.09
6. Step 6: Final answer
   x = 58,918.99