Finding the Fourth Proportional to 1,848.59, 2,551.06 and 1,009.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,848.59 : 2,551.06 = 1,009.31 : x
2. Step 2: Convert to fraction form
   1,848.59/2,551.06 = 1,009.31/x
3. Step 3: Cross multiply
   1,848.59x = 2,551.06 × 1,009.31
4. Step 4: Simplify right side
   1,848.59x = 2,574,810.37
5. Step 5: Solve for x
   x = 2,574,810.37/1,848.59
6. Step 6: Final answer
   x = 1,392.85