Finding the Fourth Proportional to 52,816.32, 72,732.90 and 49,439.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,816.32 : 72,732.90 = 49,439.46 : x
2. Step 2: Convert to fraction form
   52,816.32/72,732.90 = 49,439.46/x
3. Step 3: Cross multiply
   52,816.32x = 72,732.90 × 49,439.46
4. Step 4: Simplify right side
   52,816.32x = 3,595,875,300.23
5. Step 5: Solve for x
   x = 3,595,875,300.23/52,816.32
6. Step 6: Final answer
   x = 68,082.66