Finding the Fourth Proportional to 1,343.09, 1,853.55 and 1,010.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.09 : 1,853.55 = 1,010.93 : x
2. Step 2: Convert to fraction form
   1,343.09/1,853.55 = 1,010.93/x
3. Step 3: Cross multiply
   1,343.09x = 1,853.55 × 1,010.93
4. Step 4: Simplify right side
   1,343.09x = 1,873,809.30
5. Step 5: Solve for x
   x = 1,873,809.30/1,343.09
6. Step 6: Final answer
   x = 1,395.15