Finding the Fourth Proportional to 111,808.72, 154,294.38 and 60,820.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,808.72 : 154,294.38 = 60,820.24 : x
2. Step 2: Convert to fraction form
   111,808.72/154,294.38 = 60,820.24/x
3. Step 3: Cross multiply
   111,808.72x = 154,294.38 × 60,820.24
4. Step 4: Simplify right side
   111,808.72x = 9,384,221,222.25
5. Step 5: Solve for x
   x = 9,384,221,222.25/111,808.72
6. Step 6: Final answer
   x = 83,931.03