Finding the Fourth Proportional to 71,454.53, 107,181.83 and 18,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,454.53 : 107,181.83 = 18,150.50 : x
2. Step 2: Convert to fraction form
   71,454.53/107,181.83 = 18,150.50/x
3. Step 3: Cross multiply
   71,454.53x = 107,181.83 × 18,150.50
4. Step 4: Simplify right side
   71,454.53x = 1,945,404,050.68
5. Step 5: Solve for x
   x = 1,945,404,050.68/71,454.53
6. Step 6: Final answer
   x = 27,225.76