Finding the Fourth Proportional to 55,222.86, 76,203.06 and 31,022.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,222.86 : 76,203.06 = 31,022.52 : x
2. Step 2: Convert to fraction form
   55,222.86/76,203.06 = 31,022.52/x
3. Step 3: Cross multiply
   55,222.86x = 76,203.06 × 31,022.52
4. Step 4: Simplify right side
   55,222.86x = 2,364,010,952.91
5. Step 5: Solve for x
   x = 2,364,010,952.91/55,222.86
6. Step 6: Final answer
   x = 42,808.56