Finding the Fourth Proportional to 9,113.01, 13,638.65 and 5,605.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.01 : 13,638.65 = 5,605.25 : x
2. Step 2: Convert to fraction form
   9,113.01/13,638.65 = 5,605.25/x
3. Step 3: Cross multiply
   9,113.01x = 13,638.65 × 5,605.25
4. Step 4: Simplify right side
   9,113.01x = 76,447,946.69
5. Step 5: Solve for x
   x = 76,447,946.69/9,113.01
6. Step 6: Final answer
   x = 8,388.88