Finding the Fourth Proportional to 2,114,086.16, 3,171,613.62 and 916,209.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114,086.16 : 3,171,613.62 = 916,209.56 : x
2. Step 2: Convert to fraction form
   2,114,086.16/3,171,613.62 = 916,209.56/x
3. Step 3: Cross multiply
   2,114,086.16x = 3,171,613.62 × 916,209.56
4. Step 4: Simplify right side
   2,114,086.16x = 2,905,862,719,270.21
5. Step 5: Solve for x
   x = 2,905,862,719,270.21/2,114,086.16
6. Step 6: Final answer
   x = 1,374,524.26