Finding the Fourth Proportional to 1,981.00, 2,972.17 and 748.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.00 : 2,972.17 = 748.76 : x
2. Step 2: Convert to fraction form
   1,981.00/2,972.17 = 748.76/x
3. Step 3: Cross multiply
   1,981.00x = 2,972.17 × 748.76
4. Step 4: Simplify right side
   1,981.00x = 2,225,442.01
5. Step 5: Solve for x
   x = 2,225,442.01/1,981.00
6. Step 6: Final answer
   x = 1,123.40