Finding the Fourth Proportional to 2,116,820, 2,921,236.48 and 1,149,965.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,820 : 2,921,236.48 = 1,149,965.53 : x
2. Step 2: Convert to fraction form
   2,116,820/2,921,236.48 = 1,149,965.53/x
3. Step 3: Cross multiply
   2,116,820x = 2,921,236.48 × 1,149,965.53
4. Step 4: Simplify right side
   2,116,820x = 3,359,321,256,978.53
5. Step 5: Solve for x
   x = 3,359,321,256,978.53/2,116,820
6. Step 6: Final answer
   x = 1,586,965.95