Finding the Fourth Proportional to 897,443.62, 1,346,177.13 and 298,404.77

Step by Step Solution

1. Step 1: Write the proportion equation
   897,443.62 : 1,346,177.13 = 298,404.77 : x
2. Step 2: Convert to fraction form
   897,443.62/1,346,177.13 = 298,404.77/x
3. Step 3: Cross multiply
   897,443.62x = 1,346,177.13 × 298,404.77
4. Step 4: Simplify right side
   897,443.62x = 401,705,676,856.91
5. Step 5: Solve for x
   x = 401,705,676,856.91/897,443.62
6. Step 6: Final answer
   x = 447,611.05