Finding the Fourth Proportional to 406,947.24, 607,945.50 and 263,625.84

Step by Step Solution

1. Step 1: Write the proportion equation
   406,947.24 : 607,945.50 = 263,625.84 : x
2. Step 2: Convert to fraction form
   406,947.24/607,945.50 = 263,625.84/x
3. Step 3: Cross multiply
   406,947.24x = 607,945.50 × 263,625.84
4. Step 4: Simplify right side
   406,947.24x = 160,270,143,111.72
5. Step 5: Solve for x
   x = 160,270,143,111.72/406,947.24
6. Step 6: Final answer
   x = 393,835.19