Finding the Fourth Proportional to 81,987.50, 113,123.31 and 46,170.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,987.50 : 113,123.31 = 46,170.38 : x
2. Step 2: Convert to fraction form
   81,987.50/113,123.31 = 46,170.38/x
3. Step 3: Cross multiply
   81,987.50x = 113,123.31 × 46,170.38
4. Step 4: Simplify right side
   81,987.50x = 5,222,946,209.56
5. Step 5: Solve for x
   x = 5,222,946,209.56/81,987.50
6. Step 6: Final answer
   x = 63,704.18