Finding the Fourth Proportional to 1,530.05, 2,294.72 and 707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.05 : 2,294.72 = 707.52 : x
2. Step 2: Convert to fraction form
   1,530.05/2,294.72 = 707.52/x
3. Step 3: Cross multiply
   1,530.05x = 2,294.72 × 707.52
4. Step 4: Simplify right side
   1,530.05x = 1,623,556.76
5. Step 5: Solve for x
   x = 1,623,556.76/1,530.05
6. Step 6: Final answer
   x = 1,061.12