Finding the Fourth Proportional to 1,591.31, 2,373.72 and 1,332.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.31 : 2,373.72 = 1,332.98 : x
2. Step 2: Convert to fraction form
   1,591.31/2,373.72 = 1,332.98/x
3. Step 3: Cross multiply
   1,591.31x = 2,373.72 × 1,332.98
4. Step 4: Simplify right side
   1,591.31x = 3,164,109.42
5. Step 5: Solve for x
   x = 3,164,109.42/1,591.31
6. Step 6: Final answer
   x = 1,988.37