Finding the Fourth Proportional to 461,366.10, 691,401.15 and 366,758.10

Step by Step Solution

1. Step 1: Write the proportion equation
   461,366.10 : 691,401.15 = 366,758.10 : x
2. Step 2: Convert to fraction form
   461,366.10/691,401.15 = 366,758.10/x
3. Step 3: Cross multiply
   461,366.10x = 691,401.15 × 366,758.10
4. Step 4: Simplify right side
   461,366.10x = 253,576,972,111.82
5. Step 5: Solve for x
   x = 253,576,972,111.82/461,366.10
6. Step 6: Final answer
   x = 549,622.03