Finding the Fourth Proportional to 56,216.37, 84,128.94 and 34,859.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,216.37 : 84,128.94 = 34,859.10 : x
2. Step 2: Convert to fraction form
   56,216.37/84,128.94 = 34,859.10/x
3. Step 3: Cross multiply
   56,216.37x = 84,128.94 × 34,859.10
4. Step 4: Simplify right side
   56,216.37x = 2,932,659,132.35
5. Step 5: Solve for x
   x = 2,932,659,132.35/56,216.37
6. Step 6: Final answer
   x = 52,167.35