Finding the Fourth Proportional to 83,436.43, 115,150.53 and 47,631.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,436.43 : 115,150.53 = 47,631.82 : x
2. Step 2: Convert to fraction form
   83,436.43/115,150.53 = 47,631.82/x
3. Step 3: Cross multiply
   83,436.43x = 115,150.53 × 47,631.82
4. Step 4: Simplify right side
   83,436.43x = 5,484,829,317.86
5. Step 5: Solve for x
   x = 5,484,829,317.86/83,436.43
6. Step 6: Final answer
   x = 65,736.63