Finding the Fourth Proportional to 2,010,718.89, 3,018,226.86 and 813,423.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,718.89 : 3,018,226.86 = 813,423.87 : x
2. Step 2: Convert to fraction form
   2,010,718.89/3,018,226.86 = 813,423.87/x
3. Step 3: Cross multiply
   2,010,718.89x = 3,018,226.86 × 813,423.87
4. Step 4: Simplify right side
   2,010,718.89x = 2,455,097,772,999.15
5. Step 5: Solve for x
   x = 2,455,097,772,999.15/2,010,718.89
6. Step 6: Final answer
   x = 1,221,004.98