Finding the Fourth Proportional to 82,401.78, 113,718.80 and 52,176.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,401.78 : 113,718.80 = 52,176.08 : x
2. Step 2: Convert to fraction form
   82,401.78/113,718.80 = 52,176.08/x
3. Step 3: Cross multiply
   82,401.78x = 113,718.80 × 52,176.08
4. Step 4: Simplify right side
   82,401.78x = 5,933,401,206.30
5. Step 5: Solve for x
   x = 5,933,401,206.30/82,401.78
6. Step 6: Final answer
   x = 72,005.74