Finding the Fourth Proportional to 81,819.53, 112,910.25 and 46,008.78

Step by Step Solution

1. Step 1: Write the proportion equation
   81,819.53 : 112,910.25 = 46,008.78 : x
2. Step 2: Convert to fraction form
   81,819.53/112,910.25 = 46,008.78/x
3. Step 3: Cross multiply
   81,819.53x = 112,910.25 × 46,008.78
4. Step 4: Simplify right side
   81,819.53x = 5,194,862,256.05
5. Step 5: Solve for x
   x = 5,194,862,256.05/81,819.53
6. Step 6: Final answer
   x = 63,491.71