Finding the Fourth Proportional to 1,222.71, 1,832.01 and 788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.71 : 1,832.01 = 788.94 : x
2. Step 2: Convert to fraction form
   1,222.71/1,832.01 = 788.94/x
3. Step 3: Cross multiply
   1,222.71x = 1,832.01 × 788.94
4. Step 4: Simplify right side
   1,222.71x = 1,445,345.97
5. Step 5: Solve for x
   x = 1,445,345.97/1,222.71
6. Step 6: Final answer
   x = 1,182.08