Finding the Fourth Proportional to 9,930.28, 14,891.82 and 3,688.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.28 : 14,891.82 = 3,688.84 : x
2. Step 2: Convert to fraction form
   9,930.28/14,891.82 = 3,688.84/x
3. Step 3: Cross multiply
   9,930.28x = 14,891.82 × 3,688.84
4. Step 4: Simplify right side
   9,930.28x = 54,933,541.29
5. Step 5: Solve for x
   x = 54,933,541.29/9,930.28
6. Step 6: Final answer
   x = 5,531.92