Finding the Fourth Proportional to 22,205.01, 33,145.52 and 19,402.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,205.01 : 33,145.52 = 19,402.47 : x
2. Step 2: Convert to fraction form
   22,205.01/33,145.52 = 19,402.47/x
3. Step 3: Cross multiply
   22,205.01x = 33,145.52 × 19,402.47
4. Step 4: Simplify right side
   22,205.01x = 643,104,791.71
5. Step 5: Solve for x
   x = 643,104,791.71/22,205.01
6. Step 6: Final answer
   x = 28,962.15