Finding the Fourth Proportional to 74,185.72, 111,278.71 and 18,025.87

Step by Step Solution

1. Step 1: Write the proportion equation
   74,185.72 : 111,278.71 = 18,025.87 : x
2. Step 2: Convert to fraction form
   74,185.72/111,278.71 = 18,025.87/x
3. Step 3: Cross multiply
   74,185.72x = 111,278.71 × 18,025.87
4. Step 4: Simplify right side
   74,185.72x = 2,005,895,738.76
5. Step 5: Solve for x
   x = 2,005,895,738.76/74,185.72
6. Step 6: Final answer
   x = 27,038.84