Finding the Fourth Proportional to 2,128,019.94, 2,936,732.22 and 1,210,381.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,019.94 : 2,936,732.22 = 1,210,381.05 : x
2. Step 2: Convert to fraction form
   2,128,019.94/2,936,732.22 = 1,210,381.05/x
3. Step 3: Cross multiply
   2,128,019.94x = 2,936,732.22 × 1,210,381.05
4. Step 4: Simplify right side
   2,128,019.94x = 3,554,565,038,780.97
5. Step 5: Solve for x
   x = 3,554,565,038,780.97/2,128,019.94
6. Step 6: Final answer
   x = 1,670,362.65