Finding the Fourth Proportional to 2,131,474.40, 3,196,796.88 and 615,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,474.40 : 3,196,796.88 = 615,050.72 : x
2. Step 2: Convert to fraction form
   2,131,474.40/3,196,796.88 = 615,050.72/x
3. Step 3: Cross multiply
   2,131,474.40x = 3,196,796.88 × 615,050.72
4. Step 4: Simplify right side
   2,131,474.40x = 1,966,192,222,737.75
5. Step 5: Solve for x
   x = 1,966,192,222,737.75/2,131,474.40
6. Step 6: Final answer
   x = 922,456.41