Finding the Fourth Proportional to 53,638.47, 80,446.68 and 22,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,638.47 : 80,446.68 = 22,017.69 : x
2. Step 2: Convert to fraction form
   53,638.47/80,446.68 = 22,017.69/x
3. Step 3: Cross multiply
   53,638.47x = 80,446.68 × 22,017.69
4. Step 4: Simplify right side
   53,638.47x = 1,771,250,061.77
5. Step 5: Solve for x
   x = 1,771,250,061.77/53,638.47
6. Step 6: Final answer
   x = 33,022.01