Finding the Fourth Proportional to 2,718,077.16, 4,077,140.28 and 824,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718,077.16 : 4,077,140.28 = 824,818.56 : x
2. Step 2: Convert to fraction form
   2,718,077.16/4,077,140.28 = 824,818.56/x
3. Step 3: Cross multiply
   2,718,077.16x = 4,077,140.28 × 824,818.56
4. Step 4: Simplify right side
   2,718,077.16x = 3,362,900,974,667.60
5. Step 5: Solve for x
   x = 3,362,900,974,667.60/2,718,077.16
6. Step 6: Final answer
   x = 1,237,235.29