Finding the Fourth Proportional to 2,100.29, 2,897.93 and 1,260.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.29 : 2,897.93 = 1,260.88 : x
2. Step 2: Convert to fraction form
   2,100.29/2,897.93 = 1,260.88/x
3. Step 3: Cross multiply
   2,100.29x = 2,897.93 × 1,260.88
4. Step 4: Simplify right side
   2,100.29x = 3,653,937.89
5. Step 5: Solve for x
   x = 3,653,937.89/2,100.29
6. Step 6: Final answer
   x = 1,739.73