Finding the Fourth Proportional to 111,244.69, 153,475.30 and 82,242.70

Step by Step Solution

1. Step 1: Write the proportion equation
   111,244.69 : 153,475.30 = 82,242.70 : x
2. Step 2: Convert to fraction form
   111,244.69/153,475.30 = 82,242.70/x
3. Step 3: Cross multiply
   111,244.69x = 153,475.30 × 82,242.70
4. Step 4: Simplify right side
   111,244.69x = 12,622,223,055.31
5. Step 5: Solve for x
   x = 12,622,223,055.31/111,244.69
6. Step 6: Final answer
   x = 113,463.60