Finding the Fourth Proportional to 9,191.78, 13,793.33 and 4,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,191.78 : 13,793.33 = 4,260.50 : x
2. Step 2: Convert to fraction form
   9,191.78/13,793.33 = 4,260.50/x
3. Step 3: Cross multiply
   9,191.78x = 13,793.33 × 4,260.50
4. Step 4: Simplify right side
   9,191.78x = 58,766,424.15
5. Step 5: Solve for x
   x = 58,766,424.15/9,191.78
6. Step 6: Final answer
   x = 6,393.37