Finding the Fourth Proportional to 83,367.60, 115,061.82 and 49,395.21

Step by Step Solution

1. Step 1: Write the proportion equation
   83,367.60 : 115,061.82 = 49,395.21 : x
2. Step 2: Convert to fraction form
   83,367.60/115,061.82 = 49,395.21/x
3. Step 3: Cross multiply
   83,367.60x = 115,061.82 × 49,395.21
4. Step 4: Simplify right side
   83,367.60x = 5,683,502,761.88
5. Step 5: Solve for x
   x = 5,683,502,761.88/83,367.60
6. Step 6: Final answer
   x = 68,174.00