Finding the Fourth Proportional to 1,012,105.78, 1,518,424.52 and 363,747.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,105.78 : 1,518,424.52 = 363,747.41 : x
2. Step 2: Convert to fraction form
   1,012,105.78/1,518,424.52 = 363,747.41/x
3. Step 3: Cross multiply
   1,012,105.78x = 1,518,424.52 × 363,747.41
4. Step 4: Simplify right side
   1,012,105.78x = 552,322,982,713.73
5. Step 5: Solve for x
   x = 552,322,982,713.73/1,012,105.78
6. Step 6: Final answer
   x = 545,716.66