Finding the Fourth Proportional to 1,953.78, 2,696.25 and 1,069.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.78 : 2,696.25 = 1,069.59 : x
2. Step 2: Convert to fraction form
   1,953.78/2,696.25 = 1,069.59/x
3. Step 3: Cross multiply
   1,953.78x = 2,696.25 × 1,069.59
4. Step 4: Simplify right side
   1,953.78x = 2,883,882.04
5. Step 5: Solve for x
   x = 2,883,882.04/1,953.78
6. Step 6: Final answer
   x = 1,476.05