Finding the Fourth Proportional to 2,155,396, 3,233,223.60 and 659,500.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,396 : 3,233,223.60 = 659,500.96 : x
2. Step 2: Convert to fraction form
   2,155,396/3,233,223.60 = 659,500.96/x
3. Step 3: Cross multiply
   2,155,396x = 3,233,223.60 × 659,500.96
4. Step 4: Simplify right side
   2,155,396x = 2,132,314,068,094.66
5. Step 5: Solve for x
   x = 2,132,314,068,094.66/2,155,396
6. Step 6: Final answer
   x = 989,291.09