Finding the Fourth Proportional to 111,174.98, 153,445.30 and 70,879.46

Step by Step Solution

1. Step 1: Write the proportion equation
   111,174.98 : 153,445.30 = 70,879.46 : x
2. Step 2: Convert to fraction form
   111,174.98/153,445.30 = 70,879.46/x
3. Step 3: Cross multiply
   111,174.98x = 153,445.30 × 70,879.46
4. Step 4: Simplify right side
   111,174.98x = 10,876,120,003.54
5. Step 5: Solve for x
   x = 10,876,120,003.54/111,174.98
6. Step 6: Final answer
   x = 97,828.85