Finding the Fourth Proportional to 1,647,128.94, 2,272,129.16 and 1,157,850.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,128.94 : 2,272,129.16 = 1,157,850.60 : x
2. Step 2: Convert to fraction form
   1,647,128.94/2,272,129.16 = 1,157,850.60/x
3. Step 3: Cross multiply
   1,647,128.94x = 2,272,129.16 × 1,157,850.60
4. Step 4: Simplify right side
   1,647,128.94x = 2,630,786,111,183.50
5. Step 5: Solve for x
   x = 2,630,786,111,183.50/1,647,128.94
6. Step 6: Final answer
   x = 1,597,195.00