Finding the Fourth Proportional to 2,140,159.68, 2,953,444.54 and 1,222,510.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,159.68 : 2,953,444.54 = 1,222,510.28 : x
2. Step 2: Convert to fraction form
   2,140,159.68/2,953,444.54 = 1,222,510.28/x
3. Step 3: Cross multiply
   2,140,159.68x = 2,953,444.54 × 1,222,510.28
4. Step 4: Simplify right side
   2,140,159.68x = 3,610,616,311,559.87
5. Step 5: Solve for x
   x = 3,610,616,311,559.87/2,140,159.68
6. Step 6: Final answer
   x = 1,687,078.00