Finding the Fourth Proportional to 13,204.01, 18,222.72 and 7,538.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,204.01 : 18,222.72 = 7,538.77 : x
2. Step 2: Convert to fraction form
   13,204.01/18,222.72 = 7,538.77/x
3. Step 3: Cross multiply
   13,204.01x = 18,222.72 × 7,538.77
4. Step 4: Simplify right side
   13,204.01x = 137,376,931.77
5. Step 5: Solve for x
   x = 137,376,931.77/13,204.01
6. Step 6: Final answer
   x = 10,404.18