Finding the Fourth Proportional to 1,477.06, 2,215.59 and 655.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.06 : 2,215.59 = 655.31 : x
2. Step 2: Convert to fraction form
   1,477.06/2,215.59 = 655.31/x
3. Step 3: Cross multiply
   1,477.06x = 2,215.59 × 655.31
4. Step 4: Simplify right side
   1,477.06x = 1,451,903.82
5. Step 5: Solve for x
   x = 1,451,903.82/1,477.06
6. Step 6: Final answer
   x = 982.97