Finding the Fourth Proportional to 1,320.14, 1,818.83 and 1,106.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.14 : 1,818.83 = 1,106.57 : x
2. Step 2: Convert to fraction form
   1,320.14/1,818.83 = 1,106.57/x
3. Step 3: Cross multiply
   1,320.14x = 1,818.83 × 1,106.57
4. Step 4: Simplify right side
   1,320.14x = 2,012,656.39
5. Step 5: Solve for x
   x = 2,012,656.39/1,320.14
6. Step 6: Final answer
   x = 1,524.58