Finding the Fourth Proportional to 2,013.60, 3,020.18 and 972.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.60 : 3,020.18 = 972.76 : x
2. Step 2: Convert to fraction form
   2,013.60/3,020.18 = 972.76/x
3. Step 3: Cross multiply
   2,013.60x = 3,020.18 × 972.76
4. Step 4: Simplify right side
   2,013.60x = 2,937,910.30
5. Step 5: Solve for x
   x = 2,937,910.30/2,013.60
6. Step 6: Final answer
   x = 1,459.03