Finding the Fourth Proportional to 83,687.86, 115,488.89 and 45,447.14

Step by Step Solution

1. Step 1: Write the proportion equation
   83,687.86 : 115,488.89 = 45,447.14 : x
2. Step 2: Convert to fraction form
   83,687.86/115,488.89 = 45,447.14/x
3. Step 3: Cross multiply
   83,687.86x = 115,488.89 × 45,447.14
4. Step 4: Simplify right side
   83,687.86x = 5,248,640,006.18
5. Step 5: Solve for x
   x = 5,248,640,006.18/83,687.86
6. Step 6: Final answer
   x = 62,716.86