Finding the Fourth Proportional to 81,980.88, 113,133.99 and 46,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,980.88 : 113,133.99 = 46,171.50 : x
2. Step 2: Convert to fraction form
   81,980.88/113,133.99 = 46,171.50/x
3. Step 3: Cross multiply
   81,980.88x = 113,133.99 × 46,171.50
4. Step 4: Simplify right side
   81,980.88x = 5,223,566,019.29
5. Step 5: Solve for x
   x = 5,223,566,019.29/81,980.88
6. Step 6: Final answer
   x = 63,716.88