Finding the Fourth Proportional to 766,267.29, 1,149,401.16 and 316,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   766,267.29 : 1,149,401.16 = 316,493.82 : x
2. Step 2: Convert to fraction form
   766,267.29/1,149,401.16 = 316,493.82/x
3. Step 3: Cross multiply
   766,267.29x = 1,149,401.16 × 316,493.82
4. Step 4: Simplify right side
   766,267.29x = 363,778,363,840.83
5. Step 5: Solve for x
   x = 363,778,363,840.83/766,267.29
6. Step 6: Final answer
   x = 474,740.82