Finding the Fourth Proportional to 1,556.64, 2,333.52 and 1,069.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.64 : 2,333.52 = 1,069.92 : x
2. Step 2: Convert to fraction form
   1,556.64/2,333.52 = 1,069.92/x
3. Step 3: Cross multiply
   1,556.64x = 2,333.52 × 1,069.92
4. Step 4: Simplify right side
   1,556.64x = 2,496,679.72
5. Step 5: Solve for x
   x = 2,496,679.72/1,556.64
6. Step 6: Final answer
   x = 1,603.89