Finding the Fourth Proportional to 1,231,858.96, 1,847,792.72 and 378,924.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,858.96 : 1,847,792.72 = 378,924.82 : x
2. Step 2: Convert to fraction form
   1,231,858.96/1,847,792.72 = 378,924.82/x
3. Step 3: Cross multiply
   1,231,858.96x = 1,847,792.72 × 378,924.82
4. Step 4: Simplify right side
   1,231,858.96x = 700,174,523,823.31
5. Step 5: Solve for x
   x = 700,174,523,823.31/1,231,858.96
6. Step 6: Final answer
   x = 568,388.55