Finding the Fourth Proportional to 1,476,300.56, 2,212,730.40 and 677,666.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476,300.56 : 2,212,730.40 = 677,666.48 : x
2. Step 2: Convert to fraction form
   1,476,300.56/2,212,730.40 = 677,666.48/x
3. Step 3: Cross multiply
   1,476,300.56x = 2,212,730.40 × 677,666.48
4. Step 4: Simplify right side
   1,476,300.56x = 1,499,493,221,356.99
5. Step 5: Solve for x
   x = 1,499,493,221,356.99/1,476,300.56
6. Step 6: Final answer
   x = 1,015,709.99