Finding the Fourth Proportional to 247,646.16, 341,748.72 and 134,469.72

Step by Step Solution

1. Step 1: Write the proportion equation
   247,646.16 : 341,748.72 = 134,469.72 : x
2. Step 2: Convert to fraction form
   247,646.16/341,748.72 = 134,469.72/x
3. Step 3: Cross multiply
   247,646.16x = 341,748.72 × 134,469.72
4. Step 4: Simplify right side
   247,646.16x = 45,954,854,688.76
5. Step 5: Solve for x
   x = 45,954,854,688.76/247,646.16
6. Step 6: Final answer
   x = 185,566.60