Finding the Fourth Proportional to 2,116,821, 2,921,237.86 and 1,149,966.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,821 : 2,921,237.86 = 1,149,966.53 : x
2. Step 2: Convert to fraction form
   2,116,821/2,921,237.86 = 1,149,966.53/x
3. Step 3: Cross multiply
   2,116,821x = 2,921,237.86 × 1,149,966.53
4. Step 4: Simplify right side
   2,116,821x = 3,359,325,765,168.83
5. Step 5: Solve for x
   x = 3,359,325,765,168.83/2,116,821
6. Step 6: Final answer
   x = 1,586,967.33