Finding the Fourth Proportional to 22,090.47, 30,484.05 and 12,018.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,090.47 : 30,484.05 = 12,018.53 : x
2. Step 2: Convert to fraction form
   22,090.47/30,484.05 = 12,018.53/x
3. Step 3: Cross multiply
   22,090.47x = 30,484.05 × 12,018.53
4. Step 4: Simplify right side
   22,090.47x = 366,373,317.03
5. Step 5: Solve for x
   x = 366,373,317.03/22,090.47
6. Step 6: Final answer
   x = 16,585.13