Finding the Fourth Proportional to 83,488.41, 115,218.72 and 49,517.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83,488.41 : 115,218.72 = 49,517.01 : x
2. Step 2: Convert to fraction form
   83,488.41/115,218.72 = 49,517.01/x
3. Step 3: Cross multiply
   83,488.41x = 115,218.72 × 49,517.01
4. Step 4: Simplify right side
   83,488.41x = 5,705,286,510.43
5. Step 5: Solve for x
   x = 5,705,286,510.43/83,488.41
6. Step 6: Final answer
   x = 68,336.27