Finding the Fourth Proportional to 55,088.37, 76,020.37 and 31,222.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,088.37 : 76,020.37 = 31,222.76 : x
2. Step 2: Convert to fraction form
   55,088.37/76,020.37 = 31,222.76/x
3. Step 3: Cross multiply
   55,088.37x = 76,020.37 × 31,222.76
4. Step 4: Simplify right side
   55,088.37x = 2,373,565,309.46
5. Step 5: Solve for x
   x = 2,373,565,309.46/55,088.37
6. Step 6: Final answer
   x = 43,086.50