Finding the Fourth Proportional to 9,830.42, 13,566.13 and 5,354.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.42 : 13,566.13 = 5,354.16 : x
2. Step 2: Convert to fraction form
   9,830.42/13,566.13 = 5,354.16/x
3. Step 3: Cross multiply
   9,830.42x = 13,566.13 × 5,354.16
4. Step 4: Simplify right side
   9,830.42x = 72,635,230.60
5. Step 5: Solve for x
   x = 72,635,230.60/9,830.42
6. Step 6: Final answer
   x = 7,388.82