Finding the Fourth Proportional to 52,801.04, 79,230.72 and 21,629

Step by Step Solution

1. Step 1: Write the proportion equation
   52,801.04 : 79,230.72 = 21,629 : x
2. Step 2: Convert to fraction form
   52,801.04/79,230.72 = 21,629/x
3. Step 3: Cross multiply
   52,801.04x = 79,230.72 × 21,629
4. Step 4: Simplify right side
   52,801.04x = 1,713,681,242.88
5. Step 5: Solve for x
   x = 1,713,681,242.88/52,801.04
6. Step 6: Final answer
   x = 32,455.44