Finding the Fourth Proportional to 9,969.90, 14,928.12 and 5,574.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.90 : 14,928.12 = 5,574.84 : x
2. Step 2: Convert to fraction form
   9,969.90/14,928.12 = 5,574.84/x
3. Step 3: Cross multiply
   9,969.90x = 14,928.12 × 5,574.84
4. Step 4: Simplify right side
   9,969.90x = 83,221,880.50
5. Step 5: Solve for x
   x = 83,221,880.50/9,969.90
6. Step 6: Final answer
   x = 8,347.31