Finding the Fourth Proportional to 52,806.15, 79,161.84 and 39,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,806.15 : 79,161.84 = 39,462.72 : x
2. Step 2: Convert to fraction form
   52,806.15/79,161.84 = 39,462.72/x
3. Step 3: Cross multiply
   52,806.15x = 79,161.84 × 39,462.72
4. Step 4: Simplify right side
   52,806.15x = 3,123,941,526.60
5. Step 5: Solve for x
   x = 3,123,941,526.60/52,806.15
6. Step 6: Final answer
   x = 59,158.67