Finding the Fourth Proportional to 247,128.01, 341,109.16 and 143,786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   247,128.01 : 341,109.16 = 143,786.52 : x
2. Step 2: Convert to fraction form
   247,128.01/341,109.16 = 143,786.52/x
3. Step 3: Cross multiply
   247,128.01x = 341,109.16 × 143,786.52
4. Step 4: Simplify right side
   247,128.01x = 49,046,899,056.52
5. Step 5: Solve for x
   x = 49,046,899,056.52/247,128.01
6. Step 6: Final answer
   x = 198,467.58