Finding the Fourth Proportional to 460,735.31, 691,196.93 and 261,144.83

Step by Step Solution

1. Step 1: Write the proportion equation
   460,735.31 : 691,196.93 = 261,144.83 : x
2. Step 2: Convert to fraction form
   460,735.31/691,196.93 = 261,144.83/x
3. Step 3: Cross multiply
   460,735.31x = 691,196.93 × 261,144.83
4. Step 4: Simplify right side
   460,735.31x = 180,502,504,781.37
5. Step 5: Solve for x
   x = 180,502,504,781.37/460,735.31
6. Step 6: Final answer
   x = 391,770.50