Finding the Fourth Proportional to 247,667.16, 341,777.67 and 134,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   247,667.16 : 341,777.67 = 134,490.72 : x
2. Step 2: Convert to fraction form
   247,667.16/341,777.67 = 134,490.72/x
3. Step 3: Cross multiply
   247,667.16x = 341,777.67 × 134,490.72
4. Step 4: Simplify right side
   247,667.16x = 45,965,924,918.22
5. Step 5: Solve for x
   x = 45,965,924,918.22/247,667.16
6. Step 6: Final answer
   x = 185,595.56