Finding the Fourth Proportional to 1,061.48, 1,592.06 and 513.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.48 : 1,592.06 = 513.52 : x
2. Step 2: Convert to fraction form
   1,061.48/1,592.06 = 513.52/x
3. Step 3: Cross multiply
   1,061.48x = 1,592.06 × 513.52
4. Step 4: Simplify right side
   1,061.48x = 817,548.10
5. Step 5: Solve for x
   x = 817,548.10/1,061.48
6. Step 6: Final answer
   x = 770.19