Finding the Fourth Proportional to 262,111.99, 393,168.39 and 112,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   262,111.99 : 393,168.39 = 112,340.56 : x
2. Step 2: Convert to fraction form
   262,111.99/393,168.39 = 112,340.56/x
3. Step 3: Cross multiply
   262,111.99x = 393,168.39 × 112,340.56
4. Step 4: Simplify right side
   262,111.99x = 44,168,754,579.35
5. Step 5: Solve for x
   x = 44,168,754,579.35/262,111.99
6. Step 6: Final answer
   x = 168,511.01