Finding the Fourth Proportional to 1,341.16, 1,848.90 and 1,009.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.16 : 1,848.90 = 1,009.96 : x
2. Step 2: Convert to fraction form
   1,341.16/1,848.90 = 1,009.96/x
3. Step 3: Cross multiply
   1,341.16x = 1,848.90 × 1,009.96
4. Step 4: Simplify right side
   1,341.16x = 1,867,315.04
5. Step 5: Solve for x
   x = 1,867,315.04/1,341.16
6. Step 6: Final answer
   x = 1,392.31