Finding the Fourth Proportional to 2,132,355.62, 3,198,061.62 and 615,709.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,355.62 : 3,198,061.62 = 615,709.34 : x
2. Step 2: Convert to fraction form
   2,132,355.62/3,198,061.62 = 615,709.34/x
3. Step 3: Cross multiply
   2,132,355.62x = 3,198,061.62 × 615,709.34
4. Step 4: Simplify right side
   2,132,355.62x = 1,969,076,409,329.53
5. Step 5: Solve for x
   x = 1,969,076,409,329.53/2,132,355.62
6. Step 6: Final answer
   x = 923,427.78