Finding the Fourth Proportional to 55,777.92, 77,003.56 and 43,003.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,777.92 : 77,003.56 = 43,003.10 : x
2. Step 2: Convert to fraction form
   55,777.92/77,003.56 = 43,003.10/x
3. Step 3: Cross multiply
   55,777.92x = 77,003.56 × 43,003.10
4. Step 4: Simplify right side
   55,777.92x = 3,311,392,037.30
5. Step 5: Solve for x
   x = 3,311,392,037.30/55,777.92
6. Step 6: Final answer
   x = 59,367.44