Finding the Fourth Proportional to 81,329.90, 112,213.89 and 46,866.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,329.90 : 112,213.89 = 46,866.15 : x
2. Step 2: Convert to fraction form
   81,329.90/112,213.89 = 46,866.15/x
3. Step 3: Cross multiply
   81,329.90x = 112,213.89 × 46,866.15
4. Step 4: Simplify right side
   81,329.90x = 5,259,033,000.82
5. Step 5: Solve for x
   x = 5,259,033,000.82/81,329.90
6. Step 6: Final answer
   x = 64,662.98