Finding the Fourth Proportional to 83,401.44, 115,105.17 and 49,407.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,401.44 : 115,105.17 = 49,407.30 : x
2. Step 2: Convert to fraction form
   83,401.44/115,105.17 = 49,407.30/x
3. Step 3: Cross multiply
   83,401.44x = 115,105.17 × 49,407.30
4. Step 4: Simplify right side
   83,401.44x = 5,687,035,665.74
5. Step 5: Solve for x
   x = 5,687,035,665.74/83,401.44
6. Step 6: Final answer
   x = 68,188.70