Finding the Fourth Proportional to 1,591.32, 2,373.72 and 1,332.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.32 : 2,373.72 = 1,332.96 : x
2. Step 2: Convert to fraction form
   1,591.32/2,373.72 = 1,332.96/x
3. Step 3: Cross multiply
   1,591.32x = 2,373.72 × 1,332.96
4. Step 4: Simplify right side
   1,591.32x = 3,164,073.81
5. Step 5: Solve for x
   x = 3,164,073.81/1,591.32
6. Step 6: Final answer
   x = 1,988.33