Finding the Fourth Proportional to 111,481.70, 153,780.41 and 71,150.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,481.70 : 153,780.41 = 71,150.01 : x
2. Step 2: Convert to fraction form
   111,481.70/153,780.41 = 71,150.01/x
3. Step 3: Cross multiply
   111,481.70x = 153,780.41 × 71,150.01
4. Step 4: Simplify right side
   111,481.70x = 10,941,477,887.18
5. Step 5: Solve for x
   x = 10,941,477,887.18/111,481.70
6. Step 6: Final answer
   x = 98,145.95