Finding the Fourth Proportional to 164,820.72, 246,554.24 and 131,605.72

Step by Step Solution

1. Step 1: Write the proportion equation
   164,820.72 : 246,554.24 = 131,605.72 : x
2. Step 2: Convert to fraction form
   164,820.72/246,554.24 = 131,605.72/x
3. Step 3: Cross multiply
   164,820.72x = 246,554.24 × 131,605.72
4. Step 4: Simplify right side
   164,820.72x = 32,447,948,274.25
5. Step 5: Solve for x
   x = 32,447,948,274.25/164,820.72
6. Step 6: Final answer
   x = 196,868.14