Finding the Fourth Proportional to 111,007.82, 153,208.92 and 82,516.70

Step by Step Solution

1. Step 1: Write the proportion equation
   111,007.82 : 153,208.92 = 82,516.70 : x
2. Step 2: Convert to fraction form
   111,007.82/153,208.92 = 82,516.70/x
3. Step 3: Cross multiply
   111,007.82x = 153,208.92 × 82,516.70
4. Step 4: Simplify right side
   111,007.82x = 12,642,294,488.96
5. Step 5: Solve for x
   x = 12,642,294,488.96/111,007.82
6. Step 6: Final answer
   x = 113,886.52