Finding the Fourth Proportional to 22,460.01, 30,770.16 and 21,618.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.01 : 30,770.16 = 21,618.82 : x
2. Step 2: Convert to fraction form
   22,460.01/30,770.16 = 21,618.82/x
3. Step 3: Cross multiply
   22,460.01x = 30,770.16 × 21,618.82
4. Step 4: Simplify right side
   22,460.01x = 665,214,550.41
5. Step 5: Solve for x
   x = 665,214,550.41/22,460.01
6. Step 6: Final answer
   x = 29,617.73