Finding the Fourth Proportional to 52,978.42, 73,022.40 and 51,576.11

Step by Step Solution

1. Step 1: Write the proportion equation
   52,978.42 : 73,022.40 = 51,576.11 : x
2. Step 2: Convert to fraction form
   52,978.42/73,022.40 = 51,576.11/x
3. Step 3: Cross multiply
   52,978.42x = 73,022.40 × 51,576.11
4. Step 4: Simplify right side
   52,978.42x = 3,766,211,334.86
5. Step 5: Solve for x
   x = 3,766,211,334.86/52,978.42
6. Step 6: Final answer
   x = 71,089.54