Finding the Fourth Proportional to 1,910.89, 2,637.45 and 1,164.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.89 : 2,637.45 = 1,164.88 : x
2. Step 2: Convert to fraction form
   1,910.89/2,637.45 = 1,164.88/x
3. Step 3: Cross multiply
   1,910.89x = 2,637.45 × 1,164.88
4. Step 4: Simplify right side
   1,910.89x = 3,072,293.74
5. Step 5: Solve for x
   x = 3,072,293.74/1,910.89
6. Step 6: Final answer
   x = 1,607.79