Finding the Fourth Proportional to 52,900.56, 79,348.68 and 21,735

Step by Step Solution

1. Step 1: Write the proportion equation
   52,900.56 : 79,348.68 = 21,735 : x
2. Step 2: Convert to fraction form
   52,900.56/79,348.68 = 21,735/x
3. Step 3: Cross multiply
   52,900.56x = 79,348.68 × 21,735
4. Step 4: Simplify right side
   52,900.56x = 1,724,643,559.80
5. Step 5: Solve for x
   x = 1,724,643,559.80/52,900.56
6. Step 6: Final answer
   x = 32,601.61