Finding the Fourth Proportional to 2,668,579.99, 4,003,116.05 and 871,472.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668,579.99 : 4,003,116.05 = 871,472.89 : x
2. Step 2: Convert to fraction form
   2,668,579.99/4,003,116.05 = 871,472.89/x
3. Step 3: Cross multiply
   2,668,579.99x = 4,003,116.05 × 871,472.89
4. Step 4: Simplify right side
   2,668,579.99x = 3,488,607,088,725.94
5. Step 5: Solve for x
   x = 3,488,607,088,725.94/2,668,579.99
6. Step 6: Final answer
   x = 1,307,289.69