Finding the Fourth Proportional to 22,100.50, 30,498.69 and 12,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.50 : 30,498.69 = 12,164.50 : x
2. Step 2: Convert to fraction form
   22,100.50/30,498.69 = 12,164.50/x
3. Step 3: Cross multiply
   22,100.50x = 30,498.69 × 12,164.50
4. Step 4: Simplify right side
   22,100.50x = 371,001,314.51
5. Step 5: Solve for x
   x = 371,001,314.51/22,100.50
6. Step 6: Final answer
   x = 16,787.01