Finding the Fourth Proportional to 83,704.74, 115,494.57 and 49,724.69

Step by Step Solution

1. Step 1: Write the proportion equation
   83,704.74 : 115,494.57 = 49,724.69 : x
2. Step 2: Convert to fraction form
   83,704.74/115,494.57 = 49,724.69/x
3. Step 3: Cross multiply
   83,704.74x = 115,494.57 × 49,724.69
4. Step 4: Simplify right side
   83,704.74x = 5,742,931,689.93
5. Step 5: Solve for x
   x = 5,742,931,689.93/83,704.74
6. Step 6: Final answer
   x = 68,609.40