Finding the Fourth Proportional to 2,536,359.30, 3,500,309.97 and 1,390,487.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,359.30 : 3,500,309.97 = 1,390,487.94 : x
2. Step 2: Convert to fraction form
   2,536,359.30/3,500,309.97 = 1,390,487.94/x
3. Step 3: Cross multiply
   2,536,359.30x = 3,500,309.97 × 1,390,487.94
4. Step 4: Simplify right side
   2,536,359.30x = 4,867,138,799,546.76
5. Step 5: Solve for x
   x = 4,867,138,799,546.76/2,536,359.30
6. Step 6: Final answer
   x = 1,918,946.89