Finding the Fourth Proportional to 9,146.01, 12,621.87 and 5,563.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.01 : 12,621.87 = 5,563.38 : x
2. Step 2: Convert to fraction form
   9,146.01/12,621.87 = 5,563.38/x
3. Step 3: Cross multiply
   9,146.01x = 12,621.87 × 5,563.38
4. Step 4: Simplify right side
   9,146.01x = 70,220,259.12
5. Step 5: Solve for x
   x = 70,220,259.12/9,146.01
6. Step 6: Final answer
   x = 7,677.69