Finding the Fourth Proportional to 2,399,803.10, 3,311,734.23 and 1,312,144.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,803.10 : 3,311,734.23 = 1,312,144.86 : x
2. Step 2: Convert to fraction form
   2,399,803.10/3,311,734.23 = 1,312,144.86/x
3. Step 3: Cross multiply
   2,399,803.10x = 3,311,734.23 × 1,312,144.86
4. Step 4: Simplify right side
   2,399,803.10x = 4,345,475,047,580.56
5. Step 5: Solve for x
   x = 4,345,475,047,580.56/2,399,803.10
6. Step 6: Final answer
   x = 1,810,763.16