Finding the Fourth Proportional to 9,638.02, 13,300.79 and 5,446.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638.02 : 13,300.79 = 5,446.54 : x
2. Step 2: Convert to fraction form
   9,638.02/13,300.79 = 5,446.54/x
3. Step 3: Cross multiply
   9,638.02x = 13,300.79 × 5,446.54
4. Step 4: Simplify right side
   9,638.02x = 72,443,284.77
5. Step 5: Solve for x
   x = 72,443,284.77/9,638.02
6. Step 6: Final answer
   x = 7,516.41