Finding the Fourth Proportional to 238,667.79, 329,350.28 and 131,242.35

Step by Step Solution

1. Step 1: Write the proportion equation
   238,667.79 : 329,350.28 = 131,242.35 : x
2. Step 2: Convert to fraction form
   238,667.79/329,350.28 = 131,242.35/x
3. Step 3: Cross multiply
   238,667.79x = 329,350.28 × 131,242.35
4. Step 4: Simplify right side
   238,667.79x = 43,224,704,064.15
5. Step 5: Solve for x
   x = 43,224,704,064.15/238,667.79
6. Step 6: Final answer
   x = 181,108.24