Finding the Fourth Proportional to 55,469.98, 76,549.06 and 51,231.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,469.98 : 76,549.06 = 51,231.98 : x
2. Step 2: Convert to fraction form
   55,469.98/76,549.06 = 51,231.98/x
3. Step 3: Cross multiply
   55,469.98x = 76,549.06 × 51,231.98
4. Step 4: Simplify right side
   55,469.98x = 3,921,759,687.17
5. Step 5: Solve for x
   x = 3,921,759,687.17/55,469.98
6. Step 6: Final answer
   x = 70,700.58