Finding the Fourth Proportional to 253,401.30, 380,053.35 and 75,914.10

Step by Step Solution

1. Step 1: Write the proportion equation
   253,401.30 : 380,053.35 = 75,914.10 : x
2. Step 2: Convert to fraction form
   253,401.30/380,053.35 = 75,914.10/x
3. Step 3: Cross multiply
   253,401.30x = 380,053.35 × 75,914.10
4. Step 4: Simplify right side
   253,401.30x = 28,851,408,017.24
5. Step 5: Solve for x
   x = 28,851,408,017.24/253,401.30
6. Step 6: Final answer
   x = 113,856.59