Finding the Fourth Proportional to 89,949.12, 124,140.72 and 52,223.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,949.12 : 124,140.72 = 52,223.38 : x
2. Step 2: Convert to fraction form
   89,949.12/124,140.72 = 52,223.38/x
3. Step 3: Cross multiply
   89,949.12x = 124,140.72 × 52,223.38
4. Step 4: Simplify right side
   89,949.12x = 6,483,047,994.03
5. Step 5: Solve for x
   x = 6,483,047,994.03/89,949.12
6. Step 6: Final answer
   x = 72,074.61