Finding the Fourth Proportional to 1,573,329.37, 2,171,362.41 and 920,155.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573,329.37 : 2,171,362.41 = 920,155.09 : x
2. Step 2: Convert to fraction form
   1,573,329.37/2,171,362.41 = 920,155.09/x
3. Step 3: Cross multiply
   1,573,329.37x = 2,171,362.41 × 920,155.09
4. Step 4: Simplify right side
   1,573,329.37x = 1,997,990,173,796.17
5. Step 5: Solve for x
   x = 1,997,990,173,796.17/1,573,329.37
6. Step 6: Final answer
   x = 1,269,912.21