Finding the Fourth Proportional to 111,709.30, 154,158.53 and 60,722.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,709.30 : 154,158.53 = 60,722.03 : x
2. Step 2: Convert to fraction form
   111,709.30/154,158.53 = 60,722.03/x
3. Step 3: Cross multiply
   111,709.30x = 154,158.53 × 60,722.03
4. Step 4: Simplify right side
   111,709.30x = 9,360,818,264.43
5. Step 5: Solve for x
   x = 9,360,818,264.43/111,709.30
6. Step 6: Final answer
   x = 83,796.23