Finding the Fourth Proportional to 262,756.82, 359,978.18 and 252,916.76

Step by Step Solution

1. Step 1: Write the proportion equation
   262,756.82 : 359,978.18 = 252,916.76 : x
2. Step 2: Convert to fraction form
   262,756.82/359,978.18 = 252,916.76/x
3. Step 3: Cross multiply
   262,756.82x = 359,978.18 × 252,916.76
4. Step 4: Simplify right side
   262,756.82x = 91,044,514,956.30
5. Step 5: Solve for x
   x = 91,044,514,956.30/262,756.82
6. Step 6: Final answer
   x = 346,497.25