Finding the Fourth Proportional to 1,061.60, 1,592.48 and 599.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.60 : 1,592.48 = 599.75 : x
2. Step 2: Convert to fraction form
   1,061.60/1,592.48 = 599.75/x
3. Step 3: Cross multiply
   1,061.60x = 1,592.48 × 599.75
4. Step 4: Simplify right side
   1,061.60x = 955,078.92
5. Step 5: Solve for x
   x = 955,078.92/1,061.60
6. Step 6: Final answer
   x = 899.66