Finding the Fourth Proportional to 22,333.59, 30,820.50 and 12,902.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,333.59 : 30,820.50 = 12,902.22 : x
2. Step 2: Convert to fraction form
   22,333.59/30,820.50 = 12,902.22/x
3. Step 3: Cross multiply
   22,333.59x = 30,820.50 × 12,902.22
4. Step 4: Simplify right side
   22,333.59x = 397,652,871.51
5. Step 5: Solve for x
   x = 397,652,871.51/22,333.59
6. Step 6: Final answer
   x = 17,805.15