Finding the Fourth Proportional to 1,200.08, 1,796.72 and 788.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.08 : 1,796.72 = 788.32 : x
2. Step 2: Convert to fraction form
   1,200.08/1,796.72 = 788.32/x
3. Step 3: Cross multiply
   1,200.08x = 1,796.72 × 788.32
4. Step 4: Simplify right side
   1,200.08x = 1,416,390.31
5. Step 5: Solve for x
   x = 1,416,390.31/1,200.08
6. Step 6: Final answer
   x = 1,180.25