Finding the Fourth Proportional to 1,077.30, 1,614.89 and 530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.30 : 1,614.89 = 530.25 : x
2. Step 2: Convert to fraction form
   1,077.30/1,614.89 = 530.25/x
3. Step 3: Cross multiply
   1,077.30x = 1,614.89 × 530.25
4. Step 4: Simplify right side
   1,077.30x = 856,287.71
5. Step 5: Solve for x
   x = 856,287.71/1,077.30
6. Step 6: Final answer
   x = 794.85