Finding the Fourth Proportional to 111,171.04, 153,443.04 and 68,704

Step by Step Solution

1. Step 1: Write the proportion equation
   111,171.04 : 153,443.04 = 68,704 : x
2. Step 2: Convert to fraction form
   111,171.04/153,443.04 = 68,704/x
3. Step 3: Cross multiply
   111,171.04x = 153,443.04 × 68,704
4. Step 4: Simplify right side
   111,171.04x = 10,542,150,620.16
5. Step 5: Solve for x
   x = 10,542,150,620.16/111,171.04
6. Step 6: Final answer
   x = 94,828.21