Finding the Fourth Proportional to 1,477.56, 2,214.42 and 1,086.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.56 : 2,214.42 = 1,086.52 : x
2. Step 2: Convert to fraction form
   1,477.56/2,214.42 = 1,086.52/x
3. Step 3: Cross multiply
   1,477.56x = 2,214.42 × 1,086.52
4. Step 4: Simplify right side
   1,477.56x = 2,406,011.62
5. Step 5: Solve for x
   x = 2,406,011.62/1,477.56
6. Step 6: Final answer
   x = 1,628.37