Finding the Fourth Proportional to 1,363.86, 2,042.52 and 784.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.86 : 2,042.52 = 784.98 : x
2. Step 2: Convert to fraction form
   1,363.86/2,042.52 = 784.98/x
3. Step 3: Cross multiply
   1,363.86x = 2,042.52 × 784.98
4. Step 4: Simplify right side
   1,363.86x = 1,603,337.35
5. Step 5: Solve for x
   x = 1,603,337.35/1,363.86
6. Step 6: Final answer
   x = 1,175.59