Finding the Fourth Proportional to 368,047.56, 552,187.98 and 131,385

Step by Step Solution

1. Step 1: Write the proportion equation
   368,047.56 : 552,187.98 = 131,385 : x
2. Step 2: Convert to fraction form
   368,047.56/552,187.98 = 131,385/x
3. Step 3: Cross multiply
   368,047.56x = 552,187.98 × 131,385
4. Step 4: Simplify right side
   368,047.56x = 72,549,217,752.30
5. Step 5: Solve for x
   x = 72,549,217,752.30/368,047.56
6. Step 6: Final answer
   x = 197,119.14