Finding the Fourth Proportional to 55,273, 76,276.74 and 30,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,273 : 76,276.74 = 30,122.50 : x
2. Step 2: Convert to fraction form
   55,273/76,276.74 = 30,122.50/x
3. Step 3: Cross multiply
   55,273x = 76,276.74 × 30,122.50
4. Step 4: Simplify right side
   55,273x = 2,297,646,100.65
5. Step 5: Solve for x
   x = 2,297,646,100.65/55,273
6. Step 6: Final answer
   x = 41,569.05