Finding the Fourth Proportional to 1,231,648.10, 1,847,088.15 and 483,923.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,648.10 : 1,847,088.15 = 483,923.30 : x
2. Step 2: Convert to fraction form
   1,231,648.10/1,847,088.15 = 483,923.30/x
3. Step 3: Cross multiply
   1,231,648.10x = 1,847,088.15 × 483,923.30
4. Step 4: Simplify right side
   1,231,648.10x = 893,848,992,938.90
5. Step 5: Solve for x
   x = 893,848,992,938.90/1,231,648.10
6. Step 6: Final answer
   x = 725,734.07