Finding the Fourth Proportional to 1,950,209.28, 2,924,789.76 and 687,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,950,209.28 : 2,924,789.76 = 687,870.72 : x
2. Step 2: Convert to fraction form
   1,950,209.28/2,924,789.76 = 687,870.72/x
3. Step 3: Cross multiply
   1,950,209.28x = 2,924,789.76 × 687,870.72
4. Step 4: Simplify right side
   1,950,209.28x = 2,011,877,238,059.83
5. Step 5: Solve for x
   x = 2,011,877,238,059.83/1,950,209.28
6. Step 6: Final answer
   x = 1,031,621.20