Finding the Fourth Proportional to 52,698.16, 79,047.37 and 21,533.41

Step by Step Solution

1. Step 1: Write the proportion equation
   52,698.16 : 79,047.37 = 21,533.41 : x
2. Step 2: Convert to fraction form
   52,698.16/79,047.37 = 21,533.41/x
3. Step 3: Cross multiply
   52,698.16x = 79,047.37 × 21,533.41
4. Step 4: Simplify right side
   52,698.16x = 1,702,158,978.56
5. Step 5: Solve for x
   x = 1,702,158,978.56/52,698.16
6. Step 6: Final answer
   x = 32,300.16