Finding the Fourth Proportional to 78,656.07, 108,542.05 and 42,846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,656.07 : 108,542.05 = 42,846.38 : x
2. Step 2: Convert to fraction form
   78,656.07/108,542.05 = 42,846.38/x
3. Step 3: Cross multiply
   78,656.07x = 108,542.05 × 42,846.38
4. Step 4: Simplify right side
   78,656.07x = 4,650,633,920.28
5. Step 5: Solve for x
   x = 4,650,633,920.28/78,656.07
6. Step 6: Final answer
   x = 59,126.19