Finding the Fourth Proportional to 1,367.86, 2,050.86 and 783.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.86 : 2,050.86 = 783.52 : x
2. Step 2: Convert to fraction form
   1,367.86/2,050.86 = 783.52/x
3. Step 3: Cross multiply
   1,367.86x = 2,050.86 × 783.52
4. Step 4: Simplify right side
   1,367.86x = 1,606,889.83
5. Step 5: Solve for x
   x = 1,606,889.83/1,367.86
6. Step 6: Final answer
   x = 1,174.75