Finding the Fourth Proportional to 2,954,490.72, 4,430,861.28 and 824,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,954,490.72 : 4,430,861.28 = 824,061.12 : x
2. Step 2: Convert to fraction form
   2,954,490.72/4,430,861.28 = 824,061.12/x
3. Step 3: Cross multiply
   2,954,490.72x = 4,430,861.28 × 824,061.12
4. Step 4: Simplify right side
   2,954,490.72x = 3,651,300,508,961.43
5. Step 5: Solve for x
   x = 3,651,300,508,961.43/2,954,490.72
6. Step 6: Final answer
   x = 1,235,847.68