Finding the Fourth Proportional to 2,155,433.42, 3,232,211.31 and 618,089.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,433.42 : 3,232,211.31 = 618,089.15 : x
2. Step 2: Convert to fraction form
   2,155,433.42/3,232,211.31 = 618,089.15/x
3. Step 3: Cross multiply
   2,155,433.42x = 3,232,211.31 × 618,089.15
4. Step 4: Simplify right side
   2,155,433.42x = 1,997,794,725,057.23
5. Step 5: Solve for x
   x = 1,997,794,725,057.23/2,155,433.42
6. Step 6: Final answer
   x = 926,864.50