Finding the Fourth Proportional to 1,888.51, 2,607.03 and 1,260.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.51 : 2,607.03 = 1,260.10 : x
2. Step 2: Convert to fraction form
   1,888.51/2,607.03 = 1,260.10/x
3. Step 3: Cross multiply
   1,888.51x = 2,607.03 × 1,260.10
4. Step 4: Simplify right side
   1,888.51x = 3,285,118.50
5. Step 5: Solve for x
   x = 3,285,118.50/1,888.51
6. Step 6: Final answer
   x = 1,739.53