Finding the Fourth Proportional to 254,649.72, 381,884.25 and 74,685.15

Step by Step Solution

1. Step 1: Write the proportion equation
   254,649.72 : 381,884.25 = 74,685.15 : x
2. Step 2: Convert to fraction form
   254,649.72/381,884.25 = 74,685.15/x
3. Step 3: Cross multiply
   254,649.72x = 381,884.25 × 74,685.15
4. Step 4: Simplify right side
   254,649.72x = 28,521,082,493.89
5. Step 5: Solve for x
   x = 28,521,082,493.89/254,649.72
6. Step 6: Final answer
   x = 112,001.23