Finding the Fourth Proportional to 81,612.52, 112,627.32 and 45,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,612.52 : 112,627.32 = 45,805.25 : x
2. Step 2: Convert to fraction form
   81,612.52/112,627.32 = 45,805.25/x
3. Step 3: Cross multiply
   81,612.52x = 112,627.32 × 45,805.25
4. Step 4: Simplify right side
   81,612.52x = 5,158,922,549.43
5. Step 5: Solve for x
   x = 5,158,922,549.43/81,612.52
6. Step 6: Final answer
   x = 63,212.39