Finding the Fourth Proportional to 12,362.56, 18,548.57 and 7,435.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.56 : 18,548.57 = 7,435.69 : x
2. Step 2: Convert to fraction form
   12,362.56/18,548.57 = 7,435.69/x
3. Step 3: Cross multiply
   12,362.56x = 18,548.57 × 7,435.69
4. Step 4: Simplify right side
   12,362.56x = 137,921,416.46
5. Step 5: Solve for x
   x = 137,921,416.46/12,362.56
6. Step 6: Final answer
   x = 11,156.38