Finding the Fourth Proportional to 2,016,140.10, 3,024,210.15 and 686,444.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016,140.10 : 3,024,210.15 = 686,444.10 : x
2. Step 2: Convert to fraction form
   2,016,140.10/3,024,210.15 = 686,444.10/x
3. Step 3: Cross multiply
   2,016,140.10x = 3,024,210.15 × 686,444.10
4. Step 4: Simplify right side
   2,016,140.10x = 2,075,951,214,627.61
5. Step 5: Solve for x
   x = 2,075,951,214,627.61/2,016,140.10
6. Step 6: Final answer
   x = 1,029,666.15