Finding the Fourth Proportional to 1,713.71, 2,567.13 and 788.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.71 : 2,567.13 = 788.00 : x
2. Step 2: Convert to fraction form
   1,713.71/2,567.13 = 788.00/x
3. Step 3: Cross multiply
   1,713.71x = 2,567.13 × 788.00
4. Step 4: Simplify right side
   1,713.71x = 2,022,885.60
5. Step 5: Solve for x
   x = 2,022,885.60/1,713.71
6. Step 6: Final answer
   x = 1,180.42