Finding the Fourth Proportional to 1,337.76, 2,003.40 and 974.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.76 : 2,003.40 = 974.88 : x
2. Step 2: Convert to fraction form
   1,337.76/2,003.40 = 974.88/x
3. Step 3: Cross multiply
   1,337.76x = 2,003.40 × 974.88
4. Step 4: Simplify right side
   1,337.76x = 1,953,074.59
5. Step 5: Solve for x
   x = 1,953,074.59/1,337.76
6. Step 6: Final answer
   x = 1,459.96