Finding the Fourth Proportional to 1,907.91, 2,632.89 and 1,068.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.91 : 2,632.89 = 1,068.61 : x
2. Step 2: Convert to fraction form
   1,907.91/2,632.89 = 1,068.61/x
3. Step 3: Cross multiply
   1,907.91x = 2,632.89 × 1,068.61
4. Step 4: Simplify right side
   1,907.91x = 2,813,532.23
5. Step 5: Solve for x
   x = 2,813,532.23/1,907.91
6. Step 6: Final answer
   x = 1,474.67