Finding the Fourth Proportional to 1,417,227.34, 2,125,404.96 and 406,078.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,227.34 : 2,125,404.96 = 406,078.42 : x
2. Step 2: Convert to fraction form
   1,417,227.34/2,125,404.96 = 406,078.42/x
3. Step 3: Cross multiply
   1,417,227.34x = 2,125,404.96 × 406,078.42
4. Step 4: Simplify right side
   1,417,227.34x = 863,081,088,016.96
5. Step 5: Solve for x
   x = 863,081,088,016.96/1,417,227.34
6. Step 6: Final answer
   x = 608,992.69