Finding the Fourth Proportional to 64,410.05, 96,462.34 and 51,040.05

Step by Step Solution

1. Step 1: Write the proportion equation
   64,410.05 : 96,462.34 = 51,040.05 : x
2. Step 2: Convert to fraction form
   64,410.05/96,462.34 = 51,040.05/x
3. Step 3: Cross multiply
   64,410.05x = 96,462.34 × 51,040.05
4. Step 4: Simplify right side
   64,410.05x = 4,923,442,656.72
5. Step 5: Solve for x
   x = 4,923,442,656.72/64,410.05
6. Step 6: Final answer
   x = 76,439.04