Finding the Fourth Proportional to 2,141,698.32, 2,955,134.25 and 1,224,218.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,698.32 : 2,955,134.25 = 1,224,218.16 : x
2. Step 2: Convert to fraction form
   2,141,698.32/2,955,134.25 = 1,224,218.16/x
3. Step 3: Cross multiply
   2,141,698.32x = 2,955,134.25 × 1,224,218.16
4. Step 4: Simplify right side
   2,141,698.32x = 3,617,729,014,087.98
5. Step 5: Solve for x
   x = 3,617,729,014,087.98/2,141,698.32
6. Step 6: Final answer
   x = 1,689,187.03