Finding the Fourth Proportional to 1,146.72, 1,719.52 and 598.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.72 : 1,719.52 = 598.76 : x
2. Step 2: Convert to fraction form
   1,146.72/1,719.52 = 598.76/x
3. Step 3: Cross multiply
   1,146.72x = 1,719.52 × 598.76
4. Step 4: Simplify right side
   1,146.72x = 1,029,579.80
5. Step 5: Solve for x
   x = 1,029,579.80/1,146.72
6. Step 6: Final answer
   x = 897.85