Finding the Fourth Proportional to 78,401.99, 108,195.66 and 42,592.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,401.99 : 108,195.66 = 42,592.56 : x
2. Step 2: Convert to fraction form
   78,401.99/108,195.66 = 42,592.56/x
3. Step 3: Cross multiply
   78,401.99x = 108,195.66 × 42,592.56
4. Step 4: Simplify right side
   78,401.99x = 4,608,330,140.29
5. Step 5: Solve for x
   x = 4,608,330,140.29/78,401.99
6. Step 6: Final answer
   x = 58,778.23