Finding the Fourth Proportional to 2,034,088.57, 2,806,856.57 and 1,207,019.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034,088.57 : 2,806,856.57 = 1,207,019.57 : x
2. Step 2: Convert to fraction form
   2,034,088.57/2,806,856.57 = 1,207,019.57/x
3. Step 3: Cross multiply
   2,034,088.57x = 2,806,856.57 × 1,207,019.57
4. Step 4: Simplify right side
   2,034,088.57x = 3,387,930,804,137.98
5. Step 5: Solve for x
   x = 3,387,930,804,137.98/2,034,088.57
6. Step 6: Final answer
   x = 1,665,576.84