Finding the Fourth Proportional to 673,061, 928,889.79 and 371,255

Step by Step Solution

1. Step 1: Write the proportion equation
   673,061 : 928,889.79 = 371,255 : x
2. Step 2: Convert to fraction form
   673,061/928,889.79 = 371,255/x
3. Step 3: Cross multiply
   673,061x = 928,889.79 × 371,255
4. Step 4: Simplify right side
   673,061x = 344,854,978,986.45
5. Step 5: Solve for x
   x = 344,854,978,986.45/673,061
6. Step 6: Final answer
   x = 512,368.09