Finding the Fourth Proportional to 82,402.68, 113,708.70 and 46,587.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,402.68 : 113,708.70 = 46,587.72 : x
2. Step 2: Convert to fraction form
   82,402.68/113,708.70 = 46,587.72/x
3. Step 3: Cross multiply
   82,402.68x = 113,708.70 × 46,587.72
4. Step 4: Simplify right side
   82,402.68x = 5,297,429,077.16
5. Step 5: Solve for x
   x = 5,297,429,077.16/82,402.68
6. Step 6: Final answer
   x = 64,287.10