Finding the Fourth Proportional to 1,477.36, 2,215.50 and 654.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.36 : 2,215.50 = 654.82 : x
2. Step 2: Convert to fraction form
   1,477.36/2,215.50 = 654.82/x
3. Step 3: Cross multiply
   1,477.36x = 2,215.50 × 654.82
4. Step 4: Simplify right side
   1,477.36x = 1,450,753.71
5. Step 5: Solve for x
   x = 1,450,753.71/1,477.36
6. Step 6: Final answer
   x = 981.99