Finding the Fourth Proportional to 9,903.01, 13,665.12 and 5,653.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.01 : 13,665.12 = 5,653.75 : x
2. Step 2: Convert to fraction form
   9,903.01/13,665.12 = 5,653.75/x
3. Step 3: Cross multiply
   9,903.01x = 13,665.12 × 5,653.75
4. Step 4: Simplify right side
   9,903.01x = 77,259,172.20
5. Step 5: Solve for x
   x = 77,259,172.20/9,903.01
6. Step 6: Final answer
   x = 7,801.58