Finding the Fourth Proportional to 12,070.02, 18,099.90 and 5,500.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070.02 : 18,099.90 = 5,500.38 : x
2. Step 2: Convert to fraction form
   12,070.02/18,099.90 = 5,500.38/x
3. Step 3: Cross multiply
   12,070.02x = 18,099.90 × 5,500.38
4. Step 4: Simplify right side
   12,070.02x = 99,556,327.96
5. Step 5: Solve for x
   x = 99,556,327.96/12,070.02
6. Step 6: Final answer
   x = 8,248.23