Finding the Fourth Proportional to 2,156,502.42, 3,234,200.04 and 639,826.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,502.42 : 3,234,200.04 = 639,826.56 : x
2. Step 2: Convert to fraction form
   2,156,502.42/3,234,200.04 = 639,826.56/x
3. Step 3: Cross multiply
   2,156,502.42x = 3,234,200.04 × 639,826.56
4. Step 4: Simplify right side
   2,156,502.42x = 2,069,327,085,945.06
5. Step 5: Solve for x
   x = 2,069,327,085,945.06/2,156,502.42
6. Step 6: Final answer
   x = 959,575.59