Finding the Fourth Proportional to 412,535.42, 569,189.09 and 238,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   412,535.42 : 569,189.09 = 238,061.42 : x
2. Step 2: Convert to fraction form
   412,535.42/569,189.09 = 238,061.42/x
3. Step 3: Cross multiply
   412,535.42x = 569,189.09 × 238,061.42
4. Step 4: Simplify right side
   412,535.42x = 135,501,963,013.91
5. Step 5: Solve for x
   x = 135,501,963,013.91/412,535.42
6. Step 6: Final answer
   x = 328,461.40