Finding the Fourth Proportional to 1,142,494.96, 1,713,397.41 and 343,564.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,494.96 : 1,713,397.41 = 343,564.42 : x
2. Step 2: Convert to fraction form
   1,142,494.96/1,713,397.41 = 343,564.42/x
3. Step 3: Cross multiply
   1,142,494.96x = 1,713,397.41 × 343,564.42
4. Step 4: Simplify right side
   1,142,494.96x = 588,662,387,396.15
5. Step 5: Solve for x
   x = 588,662,387,396.15/1,142,494.96
6. Step 6: Final answer
   x = 515,242.87