Finding the Fourth Proportional to 1,152.32, 1,729.92 and 1,068.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.32 : 1,729.92 = 1,068.80 : x
2. Step 2: Convert to fraction form
   1,152.32/1,729.92 = 1,068.80/x
3. Step 3: Cross multiply
   1,152.32x = 1,729.92 × 1,068.80
4. Step 4: Simplify right side
   1,152.32x = 1,848,938.50
5. Step 5: Solve for x
   x = 1,848,938.50/1,152.32
6. Step 6: Final answer
   x = 1,604.54