Finding the Fourth Proportional to 83,465.83, 115,160.43 and 47,648.71

Step by Step Solution

1. Step 1: Write the proportion equation
   83,465.83 : 115,160.43 = 47,648.71 : x
2. Step 2: Convert to fraction form
   83,465.83/115,160.43 = 47,648.71/x
3. Step 3: Cross multiply
   83,465.83x = 115,160.43 × 47,648.71
4. Step 4: Simplify right side
   83,465.83x = 5,487,245,932.55
5. Step 5: Solve for x
   x = 5,487,245,932.55/83,465.83
6. Step 6: Final answer
   x = 65,742.42