Finding the Fourth Proportional to 111,719.98, 154,174.57 and 60,732.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,719.98 : 154,174.57 = 60,732.80 : x
2. Step 2: Convert to fraction form
   111,719.98/154,174.57 = 60,732.80/x
3. Step 3: Cross multiply
   111,719.98x = 154,174.57 × 60,732.80
4. Step 4: Simplify right side
   111,719.98x = 9,363,453,961.45
5. Step 5: Solve for x
   x = 9,363,453,961.45/111,719.98
6. Step 6: Final answer
   x = 83,811.82