Finding the Fourth Proportional to 1,989.06, 2,748.54 and 1,892.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989.06 : 2,748.54 = 1,892.94 : x
2. Step 2: Convert to fraction form
   1,989.06/2,748.54 = 1,892.94/x
3. Step 3: Cross multiply
   1,989.06x = 2,748.54 × 1,892.94
4. Step 4: Simplify right side
   1,989.06x = 5,202,821.31
5. Step 5: Solve for x
   x = 5,202,821.31/1,989.06
6. Step 6: Final answer
   x = 2,615.72