Finding the Fourth Proportional to 3,518,490.38, 4,855,483.91 and 1,990,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518,490.38 : 4,855,483.91 = 1,990,597.50 : x
2. Step 2: Convert to fraction form
   3,518,490.38/4,855,483.91 = 1,990,597.50/x
3. Step 3: Cross multiply
   3,518,490.38x = 4,855,483.91 × 1,990,597.50
4. Step 4: Simplify right side
   3,518,490.38x = 9,665,314,137,512.72
5. Step 5: Solve for x
   x = 9,665,314,137,512.72/3,518,490.38
6. Step 6: Final answer
   x = 2,747,005.99