Finding the Fourth Proportional to 2,318,636.72, 3,199,414.20 and 1,286,132.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318,636.72 : 3,199,414.20 = 1,286,132.96 : x
2. Step 2: Convert to fraction form
   2,318,636.72/3,199,414.20 = 1,286,132.96/x
3. Step 3: Cross multiply
   2,318,636.72x = 3,199,414.20 × 1,286,132.96
4. Step 4: Simplify right side
   2,318,636.72x = 4,114,872,055,312.03
5. Step 5: Solve for x
   x = 4,114,872,055,312.03/2,318,636.72
6. Step 6: Final answer
   x = 1,774,694.60