Finding the Fourth Proportional to 1,131.93, 1,686.78 and 1,094.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.93 : 1,686.78 = 1,094.77 : x
2. Step 2: Convert to fraction form
   1,131.93/1,686.78 = 1,094.77/x
3. Step 3: Cross multiply
   1,131.93x = 1,686.78 × 1,094.77
4. Step 4: Simplify right side
   1,131.93x = 1,846,636.14
5. Step 5: Solve for x
   x = 1,846,636.14/1,131.93
6. Step 6: Final answer
   x = 1,631.40