Finding the Fourth Proportional to 1,071,086.19, 1,606,634.78 and 361,120.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,086.19 : 1,606,634.78 = 361,120.38 : x
2. Step 2: Convert to fraction form
   1,071,086.19/1,606,634.78 = 361,120.38/x
3. Step 3: Cross multiply
   1,071,086.19x = 1,606,634.78 × 361,120.38
4. Step 4: Simplify right side
   1,071,086.19x = 580,188,562,274.82
5. Step 5: Solve for x
   x = 580,188,562,274.82/1,071,086.19
6. Step 6: Final answer
   x = 541,682.42