Finding the Fourth Proportional to 998,667.78, 1,497,854.25 and 367,434.78

Step by Step Solution

1. Step 1: Write the proportion equation
   998,667.78 : 1,497,854.25 = 367,434.78 : x
2. Step 2: Convert to fraction form
   998,667.78/1,497,854.25 = 367,434.78/x
3. Step 3: Cross multiply
   998,667.78x = 1,497,854.25 × 367,434.78
4. Step 4: Simplify right side
   998,667.78x = 550,363,746,820.82
5. Step 5: Solve for x
   x = 550,363,746,820.82/998,667.78
6. Step 6: Final answer
   x = 551,097.93