Finding the Fourth Proportional to 240,123.34, 331,382.96 and 138,164.29

Step by Step Solution

1. Step 1: Write the proportion equation
   240,123.34 : 331,382.96 = 138,164.29 : x
2. Step 2: Convert to fraction form
   240,123.34/331,382.96 = 138,164.29/x
3. Step 3: Cross multiply
   240,123.34x = 331,382.96 × 138,164.29
4. Step 4: Simplify right side
   240,123.34x = 45,785,290,385.34
5. Step 5: Solve for x
   x = 45,785,290,385.34/240,123.34
6. Step 6: Final answer
   x = 190,674.06