Finding the Fourth Proportional to 262,111.61, 393,167.82 and 112,340.18

Step by Step Solution

1. Step 1: Write the proportion equation
   262,111.61 : 393,167.82 = 112,340.18 : x
2. Step 2: Convert to fraction form
   262,111.61/393,167.82 = 112,340.18/x
3. Step 3: Cross multiply
   262,111.61x = 393,167.82 × 112,340.18
4. Step 4: Simplify right side
   262,111.61x = 44,168,543,669.01
5. Step 5: Solve for x
   x = 44,168,543,669.01/262,111.61
6. Step 6: Final answer
   x = 168,510.44