Finding the Fourth Proportional to 2,107,066.56, 2,907,040.14 and 1,371,685.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,066.56 : 2,907,040.14 = 1,371,685.12 : x
2. Step 2: Convert to fraction form
   2,107,066.56/2,907,040.14 = 1,371,685.12/x
3. Step 3: Cross multiply
   2,107,066.56x = 2,907,040.14 × 1,371,685.12
4. Step 4: Simplify right side
   2,107,066.56x = 3,987,543,703,280.72
5. Step 5: Solve for x
   x = 3,987,543,703,280.72/2,107,066.56
6. Step 6: Final answer
   x = 1,892,462.15