Finding the Fourth Proportional to 1,073,521.91, 1,610,281.82 and 274,802.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,521.91 : 1,610,281.82 = 274,802.18 : x
2. Step 2: Convert to fraction form
   1,073,521.91/1,610,281.82 = 274,802.18/x
3. Step 3: Cross multiply
   1,073,521.91x = 1,610,281.82 × 274,802.18
4. Step 4: Simplify right side
   1,073,521.91x = 442,508,947,185.96
5. Step 5: Solve for x
   x = 442,508,947,185.96/1,073,521.91
6. Step 6: Final answer
   x = 412,202.99