Finding the Fourth Proportional to 1,341.59, 1,851.48 and 1,009.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.59 : 1,851.48 = 1,009.43 : x
2. Step 2: Convert to fraction form
   1,341.59/1,851.48 = 1,009.43/x
3. Step 3: Cross multiply
   1,341.59x = 1,851.48 × 1,009.43
4. Step 4: Simplify right side
   1,341.59x = 1,868,925.15
5. Step 5: Solve for x
   x = 1,868,925.15/1,341.59
6. Step 6: Final answer
   x = 1,393.07