Finding the Fourth Proportional to 22,162.51, 30,579.73 and 12,600.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.51 : 30,579.73 = 12,600.31 : x
2. Step 2: Convert to fraction form
   22,162.51/30,579.73 = 12,600.31/x
3. Step 3: Cross multiply
   22,162.51x = 30,579.73 × 12,600.31
4. Step 4: Simplify right side
   22,162.51x = 385,314,027.10
5. Step 5: Solve for x
   x = 385,314,027.10/22,162.51
6. Step 6: Final answer
   x = 17,385.85