Finding the Fourth Proportional to 1,666,380, 2,499,996.24 and 484,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,380 : 2,499,996.24 = 484,428 : x
2. Step 2: Convert to fraction form
   1,666,380/2,499,996.24 = 484,428/x
3. Step 3: Cross multiply
   1,666,380x = 2,499,996.24 × 484,428
4. Step 4: Simplify right side
   1,666,380x = 1,211,068,178,550.72
5. Step 5: Solve for x
   x = 1,211,068,178,550.72/1,666,380
6. Step 6: Final answer
   x = 726,765.91