Finding the Fourth Proportional to 1,417.49, 1,956.17 and 788.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.49 : 1,956.17 = 788.00 : x
2. Step 2: Convert to fraction form
   1,417.49/1,956.17 = 788.00/x
3. Step 3: Cross multiply
   1,417.49x = 1,956.17 × 788.00
4. Step 4: Simplify right side
   1,417.49x = 1,541,448.24
5. Step 5: Solve for x
   x = 1,541,448.24/1,417.49
6. Step 6: Final answer
   x = 1,087.45