Finding the Fourth Proportional to 111,697.29, 154,143.09 and 60,710.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,697.29 : 154,143.09 = 60,710.01 : x
2. Step 2: Convert to fraction form
   111,697.29/154,143.09 = 60,710.01/x
3. Step 3: Cross multiply
   111,697.29x = 154,143.09 × 60,710.01
4. Step 4: Simplify right side
   111,697.29x = 9,358,028,535.33
5. Step 5: Solve for x
   x = 9,358,028,535.33/111,697.29
6. Step 6: Final answer
   x = 83,780.26