Finding the Fourth Proportional to 2,063,666.36, 3,096,705.13 and 865,488.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063,666.36 : 3,096,705.13 = 865,488.34 : x
2. Step 2: Convert to fraction form
   2,063,666.36/3,096,705.13 = 865,488.34/x
3. Step 3: Cross multiply
   2,063,666.36x = 3,096,705.13 × 865,488.34
4. Step 4: Simplify right side
   2,063,666.36x = 2,680,162,184,140.34
5. Step 5: Solve for x
   x = 2,680,162,184,140.34/2,063,666.36
6. Step 6: Final answer
   x = 1,298,738.13