Finding the Fourth Proportional to 22,090.10, 30,484.32 and 12,018.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,090.10 : 30,484.32 = 12,018.52 : x
2. Step 2: Convert to fraction form
   22,090.10/30,484.32 = 12,018.52/x
3. Step 3: Cross multiply
   22,090.10x = 30,484.32 × 12,018.52
4. Step 4: Simplify right side
   22,090.10x = 366,376,409.61
5. Step 5: Solve for x
   x = 366,376,409.61/22,090.10
6. Step 6: Final answer
   x = 16,585.55