Finding the Fourth Proportional to 1,401.69, 1,933.02 and 1,107.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.69 : 1,933.02 = 1,107.66 : x
2. Step 2: Convert to fraction form
   1,401.69/1,933.02 = 1,107.66/x
3. Step 3: Cross multiply
   1,401.69x = 1,933.02 × 1,107.66
4. Step 4: Simplify right side
   1,401.69x = 2,141,128.93
5. Step 5: Solve for x
   x = 2,141,128.93/1,401.69
6. Step 6: Final answer
   x = 1,527.53