Finding the Fourth Proportional to 238,617.86, 329,298.46 and 131,189.98

Step by Step Solution

1. Step 1: Write the proportion equation
   238,617.86 : 329,298.46 = 131,189.98 : x
2. Step 2: Convert to fraction form
   238,617.86/329,298.46 = 131,189.98/x
3. Step 3: Cross multiply
   238,617.86x = 329,298.46 × 131,189.98
4. Step 4: Simplify right side
   238,617.86x = 43,200,658,381.43
5. Step 5: Solve for x
   x = 43,200,658,381.43/238,617.86
6. Step 6: Final answer
   x = 181,045.37