Finding the Fourth Proportional to 81,105.59, 111,924.53 and 45,296.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,105.59 : 111,924.53 = 45,296.10 : x
2. Step 2: Convert to fraction form
   81,105.59/111,924.53 = 45,296.10/x
3. Step 3: Cross multiply
   81,105.59x = 111,924.53 × 45,296.10
4. Step 4: Simplify right side
   81,105.59x = 5,069,744,476.85
5. Step 5: Solve for x
   x = 5,069,744,476.85/81,105.59
6. Step 6: Final answer
   x = 62,507.96