Finding the Fourth Proportional to 2,156,604.10, 3,234,906.15 and 1,658,940.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,604.10 : 3,234,906.15 = 1,658,940.10 : x
2. Step 2: Convert to fraction form
   2,156,604.10/3,234,906.15 = 1,658,940.10/x
3. Step 3: Cross multiply
   2,156,604.10x = 3,234,906.15 × 1,658,940.10
4. Step 4: Simplify right side
   2,156,604.10x = 5,366,515,531,971.62
5. Step 5: Solve for x
   x = 5,366,515,531,971.62/2,156,604.10
6. Step 6: Final answer
   x = 2,488,410.15