Finding the Fourth Proportional to 9,869.90, 14,807.72 and 3,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,869.90 : 14,807.72 = 3,300.69 : x
2. Step 2: Convert to fraction form
   9,869.90/14,807.72 = 3,300.69/x
3. Step 3: Cross multiply
   9,869.90x = 14,807.72 × 3,300.69
4. Step 4: Simplify right side
   9,869.90x = 48,875,701.58
5. Step 5: Solve for x
   x = 48,875,701.58/9,869.90
6. Step 6: Final answer
   x = 4,952.00