Finding the Fourth Proportional to 52,734.02, 79,100.82 and 21,158.19

Step by Step Solution

1. Step 1: Write the proportion equation
   52,734.02 : 79,100.82 = 21,158.19 : x
2. Step 2: Convert to fraction form
   52,734.02/79,100.82 = 21,158.19/x
3. Step 3: Cross multiply
   52,734.02x = 79,100.82 × 21,158.19
4. Step 4: Simplify right side
   52,734.02x = 1,673,630,178.72
5. Step 5: Solve for x
   x = 1,673,630,178.72/52,734.02
6. Step 6: Final answer
   x = 31,737.20