Finding the Fourth Proportional to 81,985.50, 113,120.55 and 46,168.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,985.50 : 113,120.55 = 46,168.38 : x
2. Step 2: Convert to fraction form
   81,985.50/113,120.55 = 46,168.38/x
3. Step 3: Cross multiply
   81,985.50x = 113,120.55 × 46,168.38
4. Step 4: Simplify right side
   81,985.50x = 5,222,592,538.21
5. Step 5: Solve for x
   x = 5,222,592,538.21/81,985.50
6. Step 6: Final answer
   x = 63,701.42