Finding the Fourth Proportional to 1,907.52, 2,629.76 and 1,317.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.52 : 2,629.76 = 1,317.04 : x
2. Step 2: Convert to fraction form
   1,907.52/2,629.76 = 1,317.04/x
3. Step 3: Cross multiply
   1,907.52x = 2,629.76 × 1,317.04
4. Step 4: Simplify right side
   1,907.52x = 3,463,499.11
5. Step 5: Solve for x
   x = 3,463,499.11/1,907.52
6. Step 6: Final answer
   x = 1,815.71