Finding the Fourth Proportional to 2,111,111.25, 2,913,317.12 and 1,144,216.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,111.25 : 2,913,317.12 = 1,144,216.68 : x
2. Step 2: Convert to fraction form
   2,111,111.25/2,913,317.12 = 1,144,216.68/x
3. Step 3: Cross multiply
   2,111,111.25x = 2,913,317.12 × 1,144,216.68
4. Step 4: Simplify right side
   2,111,111.25x = 3,333,466,037,112.48
5. Step 5: Solve for x
   x = 3,333,466,037,112.48/2,111,111.25
6. Step 6: Final answer
   x = 1,579,010.12