Finding the Fourth Proportional to 13,475.40, 18,596.61 and 7,507.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,475.40 : 18,596.61 = 7,507.06 : x
2. Step 2: Convert to fraction form
   13,475.40/18,596.61 = 7,507.06/x
3. Step 3: Cross multiply
   13,475.40x = 18,596.61 × 7,507.06
4. Step 4: Simplify right side
   13,475.40x = 139,605,862.16
5. Step 5: Solve for x
   x = 139,605,862.16/13,475.40
6. Step 6: Final answer
   x = 10,360.06