Finding the Fourth Proportional to 1,910.30, 2,636.72 and 1,164.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.30 : 2,636.72 = 1,164.76 : x
2. Step 2: Convert to fraction form
   1,910.30/2,636.72 = 1,164.76/x
3. Step 3: Cross multiply
   1,910.30x = 2,636.72 × 1,164.76
4. Step 4: Simplify right side
   1,910.30x = 3,071,145.99
5. Step 5: Solve for x
   x = 3,071,145.99/1,910.30
6. Step 6: Final answer
   x = 1,607.68