Finding the Fourth Proportional to 2,290,732.32, 3,162,792.24 and 1,431,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,732.32 : 3,162,792.24 = 1,431,678.72 : x
2. Step 2: Convert to fraction form
   2,290,732.32/3,162,792.24 = 1,431,678.72/x
3. Step 3: Cross multiply
   2,290,732.32x = 3,162,792.24 × 1,431,678.72
4. Step 4: Simplify right side
   2,290,732.32x = 4,528,102,345,789.13
5. Step 5: Solve for x
   x = 4,528,102,345,789.13/2,290,732.32
6. Step 6: Final answer
   x = 1,976,705.14