Finding the Fourth Proportional to 22,212.42, 30,601.02 and 15,485.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,212.42 : 30,601.02 = 15,485.82 : x
2. Step 2: Convert to fraction form
   22,212.42/30,601.02 = 15,485.82/x
3. Step 3: Cross multiply
   22,212.42x = 30,601.02 × 15,485.82
4. Step 4: Simplify right side
   22,212.42x = 473,881,887.54
5. Step 5: Solve for x
   x = 473,881,887.54/22,212.42
6. Step 6: Final answer
   x = 21,334.10