Finding the Fourth Proportional to 247,810.40, 341,978.72 and 134,633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   247,810.40 : 341,978.72 = 134,633.12 : x
2. Step 2: Convert to fraction form
   247,810.40/341,978.72 = 134,633.12/x
3. Step 3: Cross multiply
   247,810.40x = 341,978.72 × 134,633.12
4. Step 4: Simplify right side
   247,810.40x = 46,041,662,047.21
5. Step 5: Solve for x
   x = 46,041,662,047.21/247,810.40
6. Step 6: Final answer
   x = 185,793.91