Finding the Fourth Proportional to 2,536,490.18, 3,500,490.59 and 1,390,618.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,490.18 : 3,500,490.59 = 1,390,618.82 : x
2. Step 2: Convert to fraction form
   2,536,490.18/3,500,490.59 = 1,390,618.82/x
3. Step 3: Cross multiply
   2,536,490.18x = 3,500,490.59 × 1,390,618.82
4. Step 4: Simplify right side
   2,536,490.18x = 4,867,848,069,231.36
5. Step 5: Solve for x
   x = 4,867,848,069,231.36/2,536,490.18
6. Step 6: Final answer
   x = 1,919,127.51