Finding the Fourth Proportional to 30,090.28, 41,506.50 and 22,153

Step by Step Solution

1. Step 1: Write the proportion equation
   30,090.28 : 41,506.50 = 22,153 : x
2. Step 2: Convert to fraction form
   30,090.28/41,506.50 = 22,153/x
3. Step 3: Cross multiply
   30,090.28x = 41,506.50 × 22,153
4. Step 4: Simplify right side
   30,090.28x = 919,493,494.50
5. Step 5: Solve for x
   x = 919,493,494.50/30,090.28
6. Step 6: Final answer
   x = 30,557.82