Finding the Fourth Proportional to 81,585.10, 112,585.71 and 45,783.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,585.10 : 112,585.71 = 45,783.82 : x
2. Step 2: Convert to fraction form
   81,585.10/112,585.71 = 45,783.82/x
3. Step 3: Cross multiply
   81,585.10x = 112,585.71 × 45,783.82
4. Step 4: Simplify right side
   81,585.10x = 5,154,603,881.21
5. Step 5: Solve for x
   x = 5,154,603,881.21/81,585.10
6. Step 6: Final answer
   x = 63,180.70