Finding the Fourth Proportional to 1,483.47, 2,226.51 and 866.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.47 : 2,226.51 = 866.34 : x
2. Step 2: Convert to fraction form
   1,483.47/2,226.51 = 866.34/x
3. Step 3: Cross multiply
   1,483.47x = 2,226.51 × 866.34
4. Step 4: Simplify right side
   1,483.47x = 1,928,914.67
5. Step 5: Solve for x
   x = 1,928,914.67/1,483.47
6. Step 6: Final answer
   x = 1,300.27