Finding the Fourth Proportional to 1,368.86, 2,053.98 and 675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.86 : 2,053.98 = 675.50 : x
2. Step 2: Convert to fraction form
   1,368.86/2,053.98 = 675.50/x
3. Step 3: Cross multiply
   1,368.86x = 2,053.98 × 675.50
4. Step 4: Simplify right side
   1,368.86x = 1,387,463.49
5. Step 5: Solve for x
   x = 1,387,463.49/1,368.86
6. Step 6: Final answer
   x = 1,013.59