Finding the Fourth Proportional to 22,333.15, 30,820.86 and 12,261.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,333.15 : 30,820.86 = 12,261.52 : x
2. Step 2: Convert to fraction form
   22,333.15/30,820.86 = 12,261.52/x
3. Step 3: Cross multiply
   22,333.15x = 30,820.86 × 12,261.52
4. Step 4: Simplify right side
   22,333.15x = 377,910,591.31
5. Step 5: Solve for x
   x = 377,910,591.31/22,333.15
6. Step 6: Final answer
   x = 16,921.51