Finding the Fourth Proportional to 1,910.31, 2,860.59 and 1,749.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.31 : 2,860.59 = 1,749.93 : x
2. Step 2: Convert to fraction form
   1,910.31/2,860.59 = 1,749.93/x
3. Step 3: Cross multiply
   1,910.31x = 2,860.59 × 1,749.93
4. Step 4: Simplify right side
   1,910.31x = 5,005,832.26
5. Step 5: Solve for x
   x = 5,005,832.26/1,910.31
6. Step 6: Final answer
   x = 2,620.43