Finding the Fourth Proportional to 53,320.48, 79,972.52 and 17,782.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,320.48 : 79,972.52 = 17,782.42 : x
2. Step 2: Convert to fraction form
   53,320.48/79,972.52 = 17,782.42/x
3. Step 3: Cross multiply
   53,320.48x = 79,972.52 × 17,782.42
4. Step 4: Simplify right side
   53,320.48x = 1,422,104,939.10
5. Step 5: Solve for x
   x = 1,422,104,939.10/53,320.48
6. Step 6: Final answer
   x = 26,670.90