Finding the Fourth Proportional to 521,667.38, 782,435.72 and 166,651.94

Step by Step Solution

1. Step 1: Write the proportion equation
   521,667.38 : 782,435.72 = 166,651.94 : x
2. Step 2: Convert to fraction form
   521,667.38/782,435.72 = 166,651.94/x
3. Step 3: Cross multiply
   521,667.38x = 782,435.72 × 166,651.94
4. Step 4: Simplify right side
   521,667.38x = 130,394,430,663.30
5. Step 5: Solve for x
   x = 130,394,430,663.30/521,667.38
6. Step 6: Final answer
   x = 249,957.03