Finding the Fourth Proportional to 2,602.52, 3,591.50 and 1,423.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.52 : 3,591.50 = 1,423.56 : x
2. Step 2: Convert to fraction form
   2,602.52/3,591.50 = 1,423.56/x
3. Step 3: Cross multiply
   2,602.52x = 3,591.50 × 1,423.56
4. Step 4: Simplify right side
   2,602.52x = 5,112,715.74
5. Step 5: Solve for x
   x = 5,112,715.74/2,602.52
6. Step 6: Final answer
   x = 1,964.53