Finding the Fourth Proportional to 1,530.72, 2,298.02 and 985.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.72 : 2,298.02 = 985.32 : x
2. Step 2: Convert to fraction form
   1,530.72/2,298.02 = 985.32/x
3. Step 3: Cross multiply
   1,530.72x = 2,298.02 × 985.32
4. Step 4: Simplify right side
   1,530.72x = 2,264,280.14
5. Step 5: Solve for x
   x = 2,264,280.14/1,530.72
6. Step 6: Final answer
   x = 1,479.23