Finding the Fourth Proportional to 9,925.85, 13,697.83 and 5,450

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.85 : 13,697.83 = 5,450 : x
2. Step 2: Convert to fraction form
   9,925.85/13,697.83 = 5,450/x
3. Step 3: Cross multiply
   9,925.85x = 13,697.83 × 5,450
4. Step 4: Simplify right side
   9,925.85x = 74,653,146.25
5. Step 5: Solve for x
   x = 74,653,146.25/9,925.85
6. Step 6: Final answer
   x = 7,521.09