Finding the Fourth Proportional to 1,417.45, 1,956.03 and 788.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.45 : 1,956.03 = 788.01 : x
2. Step 2: Convert to fraction form
   1,417.45/1,956.03 = 788.01/x
3. Step 3: Cross multiply
   1,417.45x = 1,956.03 × 788.01
4. Step 4: Simplify right side
   1,417.45x = 1,541,371.20
5. Step 5: Solve for x
   x = 1,541,371.20/1,417.45
6. Step 6: Final answer
   x = 1,087.43