Finding the Fourth Proportional to 2,155,395, 3,233,222.10 and 659,499.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,395 : 3,233,222.10 = 659,499.96 : x
2. Step 2: Convert to fraction form
   2,155,395/3,233,222.10 = 659,499.96/x
3. Step 3: Cross multiply
   2,155,395x = 3,233,222.10 × 659,499.96
4. Step 4: Simplify right side
   2,155,395x = 2,132,309,845,621.12
5. Step 5: Solve for x
   x = 2,132,309,845,621.12/2,155,395
6. Step 6: Final answer
   x = 989,289.59