Finding the Fourth Proportional to 55,125, 76,072.50 and 29,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,125 : 76,072.50 = 29,974.50 : x
2. Step 2: Convert to fraction form
   55,125/76,072.50 = 29,974.50/x
3. Step 3: Cross multiply
   55,125x = 76,072.50 × 29,974.50
4. Step 4: Simplify right side
   55,125x = 2,280,235,151.25
5. Step 5: Solve for x
   x = 2,280,235,151.25/55,125
6. Step 6: Final answer
   x = 41,364.81