Finding the Fourth Proportional to 2,156,433.96, 3,234,606.78 and 958,031.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,433.96 : 3,234,606.78 = 958,031.40 : x
2. Step 2: Convert to fraction form
   2,156,433.96/3,234,606.78 = 958,031.40/x
3. Step 3: Cross multiply
   2,156,433.96x = 3,234,606.78 × 958,031.40
4. Step 4: Simplify right side
   2,156,433.96x = 3,098,854,861,892.89
5. Step 5: Solve for x
   x = 3,098,854,861,892.89/2,156,433.96
6. Step 6: Final answer
   x = 1,437,027.48