Finding the Fourth Proportional to 2,127.18, 2,935.72 and 1,331.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.18 : 2,935.72 = 1,331.08 : x
2. Step 2: Convert to fraction form
   2,127.18/2,935.72 = 1,331.08/x
3. Step 3: Cross multiply
   2,127.18x = 2,935.72 × 1,331.08
4. Step 4: Simplify right side
   2,127.18x = 3,907,678.18
5. Step 5: Solve for x
   x = 3,907,678.18/2,127.18
6. Step 6: Final answer
   x = 1,837.02