Finding the Fourth Proportional to 1,887.48, 2,832.17 and 791.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.48 : 2,832.17 = 791.82 : x
2. Step 2: Convert to fraction form
   1,887.48/2,832.17 = 791.82/x
3. Step 3: Cross multiply
   1,887.48x = 2,832.17 × 791.82
4. Step 4: Simplify right side
   1,887.48x = 2,242,564.89
5. Step 5: Solve for x
   x = 2,242,564.89/1,887.48
6. Step 6: Final answer
   x = 1,188.13