Finding the Fourth Proportional to 987,300.46, 1,481,005.86 and 277,273

Step by Step Solution

1. Step 1: Write the proportion equation
   987,300.46 : 1,481,005.86 = 277,273 : x
2. Step 2: Convert to fraction form
   987,300.46/1,481,005.86 = 277,273/x
3. Step 3: Cross multiply
   987,300.46x = 1,481,005.86 × 277,273
4. Step 4: Simplify right side
   987,300.46x = 410,642,937,819.78
5. Step 5: Solve for x
   x = 410,642,937,819.78/987,300.46
6. Step 6: Final answer
   x = 415,924.99