Finding the Fourth Proportional to 9,200.10, 12,697.08 and 5,424.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.10 : 12,697.08 = 5,424.46 : x
2. Step 2: Convert to fraction form
   9,200.10/12,697.08 = 5,424.46/x
3. Step 3: Cross multiply
   9,200.10x = 12,697.08 × 5,424.46
4. Step 4: Simplify right side
   9,200.10x = 68,874,802.58
5. Step 5: Solve for x
   x = 68,874,802.58/9,200.10
6. Step 6: Final answer
   x = 7,486.31