Finding the Fourth Proportional to 81,817.50, 112,908.82 and 46,007.20

Step by Step Solution

1. Step 1: Write the proportion equation
   81,817.50 : 112,908.82 = 46,007.20 : x
2. Step 2: Convert to fraction form
   81,817.50/112,908.82 = 46,007.20/x
3. Step 3: Cross multiply
   81,817.50x = 112,908.82 × 46,007.20
4. Step 4: Simplify right side
   81,817.50x = 5,194,618,663.50
5. Step 5: Solve for x
   x = 5,194,618,663.50/81,817.50
6. Step 6: Final answer
   x = 63,490.31