Finding the Fourth Proportional to 1,846.22, 2,548.23 and 1,139.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.22 : 2,548.23 = 1,139.09 : x
2. Step 2: Convert to fraction form
   1,846.22/2,548.23 = 1,139.09/x
3. Step 3: Cross multiply
   1,846.22x = 2,548.23 × 1,139.09
4. Step 4: Simplify right side
   1,846.22x = 2,902,663.31
5. Step 5: Solve for x
   x = 2,902,663.31/1,846.22
6. Step 6: Final answer
   x = 1,572.22