Finding the Fourth Proportional to 1,667.01, 2,499.50 and 788.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.01 : 2,499.50 = 788.97 : x
2. Step 2: Convert to fraction form
   1,667.01/2,499.50 = 788.97/x
3. Step 3: Cross multiply
   1,667.01x = 2,499.50 × 788.97
4. Step 4: Simplify right side
   1,667.01x = 1,972,026.57
5. Step 5: Solve for x
   x = 1,972,026.57/1,667.01
6. Step 6: Final answer
   x = 1,182.97