Finding the Fourth Proportional to 412,534.42, 569,187.71 and 238,060.42

Step by Step Solution

1. Step 1: Write the proportion equation
   412,534.42 : 569,187.71 = 238,060.42 : x
2. Step 2: Convert to fraction form
   412,534.42/569,187.71 = 238,060.42/x
3. Step 3: Cross multiply
   412,534.42x = 569,187.71 × 238,060.42
4. Step 4: Simplify right side
   412,534.42x = 135,501,063,580.89
5. Step 5: Solve for x
   x = 135,501,063,580.89/412,534.42
6. Step 6: Final answer
   x = 328,460.02