Finding the Fourth Proportional to 476,081.06, 657,174.72 and 323,187.59

Step by Step Solution

1. Step 1: Write the proportion equation
   476,081.06 : 657,174.72 = 323,187.59 : x
2. Step 2: Convert to fraction form
   476,081.06/657,174.72 = 323,187.59/x
3. Step 3: Cross multiply
   476,081.06x = 657,174.72 × 323,187.59
4. Step 4: Simplify right side
   476,081.06x = 212,390,710,679.85
5. Step 5: Solve for x
   x = 212,390,710,679.85/476,081.06
6. Step 6: Final answer
   x = 446,123.00