Finding the Fourth Proportional to 111,140.23, 153,387.26 and 82,796.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,140.23 : 153,387.26 = 82,796.71 : x
2. Step 2: Convert to fraction form
   111,140.23/153,387.26 = 82,796.71/x
3. Step 3: Cross multiply
   111,140.23x = 153,387.26 × 82,796.71
4. Step 4: Simplify right side
   111,140.23x = 12,699,960,483.91
5. Step 5: Solve for x
   x = 12,699,960,483.91/111,140.23
6. Step 6: Final answer
   x = 114,269.70