Finding the Fourth Proportional to 53,329.82, 79,977.71 and 21,739.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,329.82 : 79,977.71 = 21,739.82 : x
2. Step 2: Convert to fraction form
   53,329.82/79,977.71 = 21,739.82/x
3. Step 3: Cross multiply
   53,329.82x = 79,977.71 × 21,739.82
4. Step 4: Simplify right side
   53,329.82x = 1,738,700,510.82
5. Step 5: Solve for x
   x = 1,738,700,510.82/53,329.82
6. Step 6: Final answer
   x = 32,602.79