Finding the Fourth Proportional to 2,536,592.92, 3,500,405.34 and 1,390,648.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,592.92 : 3,500,405.34 = 1,390,648.12 : x
2. Step 2: Convert to fraction form
   2,536,592.92/3,500,405.34 = 1,390,648.12/x
3. Step 3: Cross multiply
   2,536,592.92x = 3,500,405.34 × 1,390,648.12
4. Step 4: Simplify right side
   2,536,592.92x = 4,867,832,105,308.96
5. Step 5: Solve for x
   x = 4,867,832,105,308.96/2,536,592.92
6. Step 6: Final answer
   x = 1,919,043.48