Finding the Fourth Proportional to 169,483.42, 254,128.78 and 131,001.30

Step by Step Solution

1. Step 1: Write the proportion equation
   169,483.42 : 254,128.78 = 131,001.30 : x
2. Step 2: Convert to fraction form
   169,483.42/254,128.78 = 131,001.30/x
3. Step 3: Cross multiply
   169,483.42x = 254,128.78 × 131,001.30
4. Step 4: Simplify right side
   169,483.42x = 33,291,200,219.91
5. Step 5: Solve for x
   x = 33,291,200,219.91/169,483.42
6. Step 6: Final answer
   x = 196,427.48