Finding the Fourth Proportional to 1,663,632.78, 2,495,449.42 and 401,460.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,632.78 : 2,495,449.42 = 401,460.42 : x
2. Step 2: Convert to fraction form
   1,663,632.78/2,495,449.42 = 401,460.42/x
3. Step 3: Cross multiply
   1,663,632.78x = 2,495,449.42 × 401,460.42
4. Step 4: Simplify right side
   1,663,632.78x = 1,001,824,172,241.96
5. Step 5: Solve for x
   x = 1,001,824,172,241.96/1,663,632.78
6. Step 6: Final answer
   x = 602,190.69