Finding the Fourth Proportional to 2,602.58, 3,591.50 and 1,423.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.58 : 3,591.50 = 1,423.62 : x
2. Step 2: Convert to fraction form
   2,602.58/3,591.50 = 1,423.62/x
3. Step 3: Cross multiply
   2,602.58x = 3,591.50 × 1,423.62
4. Step 4: Simplify right side
   2,602.58x = 5,112,931.23
5. Step 5: Solve for x
   x = 5,112,931.23/2,602.58
6. Step 6: Final answer
   x = 1,964.56