Finding the Fourth Proportional to 55,659.15, 83,357.51 and 43,078.43

Step by Step Solution

1. Step 1: Write the proportion equation
   55,659.15 : 83,357.51 = 43,078.43 : x
2. Step 2: Convert to fraction form
   55,659.15/83,357.51 = 43,078.43/x
3. Step 3: Cross multiply
   55,659.15x = 83,357.51 × 43,078.43
4. Step 4: Simplify right side
   55,659.15x = 3,590,910,652.51
5. Step 5: Solve for x
   x = 3,590,910,652.51/55,659.15
6. Step 6: Final answer
   x = 64,516.09