Finding the Fourth Proportional to 111,481.83, 153,780.59 and 71,150.14

Step by Step Solution

1. Step 1: Write the proportion equation
   111,481.83 : 153,780.59 = 71,150.14 : x
2. Step 2: Convert to fraction form
   111,481.83/153,780.59 = 71,150.14/x
3. Step 3: Cross multiply
   111,481.83x = 153,780.59 × 71,150.14
4. Step 4: Simplify right side
   111,481.83x = 10,941,509,383.13
5. Step 5: Solve for x
   x = 10,941,509,383.13/111,481.83
6. Step 6: Final answer
   x = 98,146.13