Finding the Fourth Proportional to 2,872,282.72, 4,308,411.12 and 742,185.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872,282.72 : 4,308,411.12 = 742,185.76 : x
2. Step 2: Convert to fraction form
   2,872,282.72/4,308,411.12 = 742,185.76/x
3. Step 3: Cross multiply
   2,872,282.72x = 4,308,411.12 × 742,185.76
4. Step 4: Simplify right side
   2,872,282.72x = 3,197,641,381,489.65
5. Step 5: Solve for x
   x = 3,197,641,381,489.65/2,872,282.72
6. Step 6: Final answer
   x = 1,113,275.29