Finding the Fourth Proportional to 1,406.52, 2,106.66 and 1,131.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.52 : 2,106.66 = 1,131.92 : x
2. Step 2: Convert to fraction form
   1,406.52/2,106.66 = 1,131.92/x
3. Step 3: Cross multiply
   1,406.52x = 2,106.66 × 1,131.92
4. Step 4: Simplify right side
   1,406.52x = 2,384,570.59
5. Step 5: Solve for x
   x = 2,384,570.59/1,406.52
6. Step 6: Final answer
   x = 1,695.37