Finding the Fourth Proportional to 1,362,796.89, 1,867,038.41 and 1,311,719.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,796.89 : 1,867,038.41 = 1,311,719.10 : x
2. Step 2: Convert to fraction form
   1,362,796.89/1,867,038.41 = 1,311,719.10/x
3. Step 3: Cross multiply
   1,362,796.89x = 1,867,038.41 × 1,311,719.10
4. Step 4: Simplify right side
   1,362,796.89x = 2,449,029,942,830.63
5. Step 5: Solve for x
   x = 2,449,029,942,830.63/1,362,796.89
6. Step 6: Final answer
   x = 1,797,061.59