Finding the Fourth Proportional to 2,840,786.72, 4,261,196.16 and 947,522.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840,786.72 : 4,261,196.16 = 947,522.96 : x
2. Step 2: Convert to fraction form
   2,840,786.72/4,261,196.16 = 947,522.96/x
3. Step 3: Cross multiply
   2,840,786.72x = 4,261,196.16 × 947,522.96
4. Step 4: Simplify right side
   2,840,786.72x = 4,037,581,198,663.83
5. Step 5: Solve for x
   x = 4,037,581,198,663.83/2,840,786.72
6. Step 6: Final answer
   x = 1,421,289.80