Finding the Fourth Proportional to 83,897.20, 115,778.15 and 46,171.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,897.20 : 115,778.15 = 46,171.45 : x
2. Step 2: Convert to fraction form
   83,897.20/115,778.15 = 46,171.45/x
3. Step 3: Cross multiply
   83,897.20x = 115,778.15 × 46,171.45
4. Step 4: Simplify right side
   83,897.20x = 5,345,645,150.83
5. Step 5: Solve for x
   x = 5,345,645,150.83/83,897.20
6. Step 6: Final answer
   x = 63,716.61