Finding the Fourth Proportional to 1,341.86, 1,851.96 and 1,009.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.86 : 1,851.96 = 1,009.76 : x
2. Step 2: Convert to fraction form
   1,341.86/1,851.96 = 1,009.76/x
3. Step 3: Cross multiply
   1,341.86x = 1,851.96 × 1,009.76
4. Step 4: Simplify right side
   1,341.86x = 1,870,035.13
5. Step 5: Solve for x
   x = 1,870,035.13/1,341.86
6. Step 6: Final answer
   x = 1,393.61