Finding the Fourth Proportional to 2,399,379.33, 3,311,150.04 and 1,311,663.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,379.33 : 3,311,150.04 = 1,311,663.93 : x
2. Step 2: Convert to fraction form
   2,399,379.33/3,311,150.04 = 1,311,663.93/x
3. Step 3: Cross multiply
   2,399,379.33x = 3,311,150.04 × 1,311,663.93
4. Step 4: Simplify right side
   2,399,379.33x = 4,343,116,074,286.06
5. Step 5: Solve for x
   x = 4,343,116,074,286.06/2,399,379.33
6. Step 6: Final answer
   x = 1,810,099.81