Finding the Fourth Proportional to 476,162.83, 657,112.71 and 261,322.89

Step by Step Solution

1. Step 1: Write the proportion equation
   476,162.83 : 657,112.71 = 261,322.89 : x
2. Step 2: Convert to fraction form
   476,162.83/657,112.71 = 261,322.89/x
3. Step 3: Cross multiply
   476,162.83x = 657,112.71 × 261,322.89
4. Step 4: Simplify right side
   476,162.83x = 171,718,592,432.93
5. Step 5: Solve for x
   x = 171,718,592,432.93/476,162.83
6. Step 6: Final answer
   x = 360,629.98