Finding the Fourth Proportional to 12,071.02, 18,101.40 and 5,501.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.02 : 18,101.40 = 5,501.38 : x
2. Step 2: Convert to fraction form
   12,071.02/18,101.40 = 5,501.38/x
3. Step 3: Cross multiply
   12,071.02x = 18,101.40 × 5,501.38
4. Step 4: Simplify right side
   12,071.02x = 99,582,679.93
5. Step 5: Solve for x
   x = 99,582,679.93/12,071.02
6. Step 6: Final answer
   x = 8,249.73