Finding the Fourth Proportional to 1,530.18, 2,300.54 and 1,339.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.18 : 2,300.54 = 1,339.02 : x
2. Step 2: Convert to fraction form
   1,530.18/2,300.54 = 1,339.02/x
3. Step 3: Cross multiply
   1,530.18x = 2,300.54 × 1,339.02
4. Step 4: Simplify right side
   1,530.18x = 3,080,462.38
5. Step 5: Solve for x
   x = 3,080,462.38/1,530.18
6. Step 6: Final answer
   x = 2,013.14