Finding the Fourth Proportional to 9,830.91, 13,566.69 and 5,354.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.91 : 13,566.69 = 5,354.62 : x
2. Step 2: Convert to fraction form
   9,830.91/13,566.69 = 5,354.62/x
3. Step 3: Cross multiply
   9,830.91x = 13,566.69 × 5,354.62
4. Step 4: Simplify right side
   9,830.91x = 72,644,454.77
5. Step 5: Solve for x
   x = 72,644,454.77/9,830.91
6. Step 6: Final answer
   x = 7,389.40