Finding the Fourth Proportional to 243,074.89, 335,443.35 and 134,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   243,074.89 : 335,443.35 = 134,179.25 : x
2. Step 2: Convert to fraction form
   243,074.89/335,443.35 = 134,179.25/x
3. Step 3: Cross multiply
   243,074.89x = 335,443.35 × 134,179.25
4. Step 4: Simplify right side
   243,074.89x = 45,009,537,120.49
5. Step 5: Solve for x
   x = 45,009,537,120.49/243,074.89
6. Step 6: Final answer
   x = 185,167.37