Finding the Fourth Proportional to 2,111.03, 2,913.33 and 1,272.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.03 : 2,913.33 = 1,272.00 : x
2. Step 2: Convert to fraction form
   2,111.03/2,913.33 = 1,272.00/x
3. Step 3: Cross multiply
   2,111.03x = 2,913.33 × 1,272.00
4. Step 4: Simplify right side
   2,111.03x = 3,705,747.91
5. Step 5: Solve for x
   x = 3,705,747.91/2,111.03
6. Step 6: Final answer
   x = 1,755.42