Finding the Fourth Proportional to 9,638.31, 13,300.70 and 5,446.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638.31 : 13,300.70 = 5,446.47 : x
2. Step 2: Convert to fraction form
   9,638.31/13,300.70 = 5,446.47/x
3. Step 3: Cross multiply
   9,638.31x = 13,300.70 × 5,446.47
4. Step 4: Simplify right side
   9,638.31x = 72,441,836.30
5. Step 5: Solve for x
   x = 72,441,836.30/9,638.31
6. Step 6: Final answer
   x = 7,516.03