Finding the Fourth Proportional to 52,136.56, 78,192.86 and 31,082.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,136.56 : 78,192.86 = 31,082.56 : x
2. Step 2: Convert to fraction form
   52,136.56/78,192.86 = 31,082.56/x
3. Step 3: Cross multiply
   52,136.56x = 78,192.86 × 31,082.56
4. Step 4: Simplify right side
   52,136.56x = 2,430,434,262.52
5. Step 5: Solve for x
   x = 2,430,434,262.52/52,136.56
6. Step 6: Final answer
   x = 46,616.70