Finding the Fourth Proportional to 78,656.27, 108,545.94 and 42,845.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,656.27 : 108,545.94 = 42,845.94 : x
2. Step 2: Convert to fraction form
   78,656.27/108,545.94 = 42,845.94/x
3. Step 3: Cross multiply
   78,656.27x = 108,545.94 × 42,845.94
4. Step 4: Simplify right side
   78,656.27x = 4,650,752,832.48
5. Step 5: Solve for x
   x = 4,650,752,832.48/78,656.27
6. Step 6: Final answer
   x = 59,127.56