Finding the Fourth Proportional to 238,196.35, 356,827.41 and 138,146.41

Step by Step Solution

1. Step 1: Write the proportion equation
   238,196.35 : 356,827.41 = 138,146.41 : x
2. Step 2: Convert to fraction form
   238,196.35/356,827.41 = 138,146.41/x
3. Step 3: Cross multiply
   238,196.35x = 356,827.41 × 138,146.41
4. Step 4: Simplify right side
   238,196.35x = 49,294,425,681.10
5. Step 5: Solve for x
   x = 49,294,425,681.10/238,196.35
6. Step 6: Final answer
   x = 206,948.70