Finding the Fourth Proportional to 53,300.62, 79,933.92 and 21,710.62

Step by Step Solution

1. Step 1: Write the proportion equation
   53,300.62 : 79,933.92 = 21,710.62 : x
2. Step 2: Convert to fraction form
   53,300.62/79,933.92 = 21,710.62/x
3. Step 3: Cross multiply
   53,300.62x = 79,933.92 × 21,710.62
4. Step 4: Simplify right side
   53,300.62x = 1,735,414,962.23
5. Step 5: Solve for x
   x = 1,735,414,962.23/53,300.62
6. Step 6: Final answer
   x = 32,559.00