Finding the Fourth Proportional to 78,545.94, 108,393.33 and 42,735.90

Step by Step Solution

1. Step 1: Write the proportion equation
   78,545.94 : 108,393.33 = 42,735.90 : x
2. Step 2: Convert to fraction form
   78,545.94/108,393.33 = 42,735.90/x
3. Step 3: Cross multiply
   78,545.94x = 108,393.33 × 42,735.90
4. Step 4: Simplify right side
   78,545.94x = 4,632,286,511.55
5. Step 5: Solve for x
   x = 4,632,286,511.55/78,545.94
6. Step 6: Final answer
   x = 58,975.51