Finding the Fourth Proportional to 78,401.24, 108,194.46 and 42,591.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,401.24 : 108,194.46 = 42,591.52 : x
2. Step 2: Convert to fraction form
   78,401.24/108,194.46 = 42,591.52/x
3. Step 3: Cross multiply
   78,401.24x = 108,194.46 × 42,591.52
4. Step 4: Simplify right side
   78,401.24x = 4,608,166,506.98
5. Step 5: Solve for x
   x = 4,608,166,506.98/78,401.24
6. Step 6: Final answer
   x = 58,776.70