Finding the Fourth Proportional to 16,389.17, 22,610.63 and 10,090.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389.17 : 22,610.63 = 10,090.61 : x
2. Step 2: Convert to fraction form
   16,389.17/22,610.63 = 10,090.61/x
3. Step 3: Cross multiply
   16,389.17x = 22,610.63 × 10,090.61
4. Step 4: Simplify right side
   16,389.17x = 228,154,961.36
5. Step 5: Solve for x
   x = 228,154,961.36/16,389.17
6. Step 6: Final answer
   x = 13,921.09