Finding the Fourth Proportional to 2,114,008.16, 3,171,496.62 and 916,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114,008.16 : 3,171,496.62 = 916,131.56 : x
2. Step 2: Convert to fraction form
   2,114,008.16/3,171,496.62 = 916,131.56/x
3. Step 3: Cross multiply
   2,114,008.16x = 3,171,496.62 × 916,131.56
4. Step 4: Simplify right side
   2,114,008.16x = 2,905,508,146,015.33
5. Step 5: Solve for x
   x = 2,905,508,146,015.33/2,114,008.16
6. Step 6: Final answer
   x = 1,374,407.25