Finding the Fourth Proportional to 1,615,196.18, 2,422,606.66 and 417,024.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,196.18 : 2,422,606.66 = 417,024.34 : x
2. Step 2: Convert to fraction form
   1,615,196.18/2,422,606.66 = 417,024.34/x
3. Step 3: Cross multiply
   1,615,196.18x = 2,422,606.66 × 417,024.34
4. Step 4: Simplify right side
   1,615,196.18x = 1,010,285,943,466.10
5. Step 5: Solve for x
   x = 1,010,285,943,466.10/1,615,196.18
6. Step 6: Final answer
   x = 625,488.07