Finding the Fourth Proportional to 9,818.91, 13,550.15 and 5,342.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.91 : 13,550.15 = 5,342.85 : x
2. Step 2: Convert to fraction form
   9,818.91/13,550.15 = 5,342.85/x
3. Step 3: Cross multiply
   9,818.91x = 13,550.15 × 5,342.85
4. Step 4: Simplify right side
   9,818.91x = 72,396,418.93
5. Step 5: Solve for x
   x = 72,396,418.93/9,818.91
6. Step 6: Final answer
   x = 7,373.16