Finding the Fourth Proportional to 52,797.42, 79,111.89 and 38,692.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,797.42 : 79,111.89 = 38,692.08 : x
2. Step 2: Convert to fraction form
   52,797.42/79,111.89 = 38,692.08/x
3. Step 3: Cross multiply
   52,797.42x = 79,111.89 × 38,692.08
4. Step 4: Simplify right side
   52,797.42x = 3,061,003,576.83
5. Step 5: Solve for x
   x = 3,061,003,576.83/52,797.42
6. Step 6: Final answer
   x = 57,976.39