Finding the Fourth Proportional to 81,375.82, 112,302.78 and 45,563.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,375.82 : 112,302.78 = 45,563.69 : x
2. Step 2: Convert to fraction form
   81,375.82/112,302.78 = 45,563.69/x
3. Step 3: Cross multiply
   81,375.82x = 112,302.78 × 45,563.69
4. Step 4: Simplify right side
   81,375.82x = 5,116,929,054.06
5. Step 5: Solve for x
   x = 5,116,929,054.06/81,375.82
6. Step 6: Final answer
   x = 62,880.21