Finding the Fourth Proportional to 1,086,894.72, 1,499,961.60 and 603,459.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,894.72 : 1,499,961.60 = 603,459.96 : x
2. Step 2: Convert to fraction form
   1,086,894.72/1,499,961.60 = 603,459.96/x
3. Step 3: Cross multiply
   1,086,894.72x = 1,499,961.60 × 603,459.96
4. Step 4: Simplify right side
   1,086,894.72x = 905,166,767,137.54
5. Step 5: Solve for x
   x = 905,166,767,137.54/1,086,894.72
6. Step 6: Final answer
   x = 832,800.78