Finding the Fourth Proportional to 81,085.42, 111,896.82 and 45,276.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,085.42 : 111,896.82 = 45,276.04 : x
2. Step 2: Convert to fraction form
   81,085.42/111,896.82 = 45,276.04/x
3. Step 3: Cross multiply
   81,085.42x = 111,896.82 × 45,276.04
4. Step 4: Simplify right side
   81,085.42x = 5,066,244,898.19
5. Step 5: Solve for x
   x = 5,066,244,898.19/81,085.42
6. Step 6: Final answer
   x = 62,480.34