Finding the Fourth Proportional to 53,052.78, 79,578.71 and 21,462.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,052.78 : 79,578.71 = 21,462.48 : x
2. Step 2: Convert to fraction form
   53,052.78/79,578.71 = 21,462.48/x
3. Step 3: Cross multiply
   53,052.78x = 79,578.71 × 21,462.48
4. Step 4: Simplify right side
   53,052.78x = 1,707,955,966.59
5. Step 5: Solve for x
   x = 1,707,955,966.59/53,052.78
6. Step 6: Final answer
   x = 32,193.52