Finding the Fourth Proportional to 1,573.40, 2,168.16 and 1,152.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573.40 : 2,168.16 = 1,152.92 : x
2. Step 2: Convert to fraction form
   1,573.40/2,168.16 = 1,152.92/x
3. Step 3: Cross multiply
   1,573.40x = 2,168.16 × 1,152.92
4. Step 4: Simplify right side
   1,573.40x = 2,499,715.03
5. Step 5: Solve for x
   x = 2,499,715.03/1,573.40
6. Step 6: Final answer
   x = 1,588.73