Finding the Fourth Proportional to 2,114,530.42, 3,173,130 and 900,105.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114,530.42 : 3,173,130 = 900,105.22 : x
2. Step 2: Convert to fraction form
   2,114,530.42/3,173,130 = 900,105.22/x
3. Step 3: Cross multiply
   2,114,530.42x = 3,173,130 × 900,105.22
4. Step 4: Simplify right side
   2,114,530.42x = 2,856,150,876,738.60
5. Step 5: Solve for x
   x = 2,856,150,876,738.60/2,114,530.42
6. Step 6: Final answer
   x = 1,350,725.84