Finding the Fourth Proportional to 201,595.03, 278,085.42 and 126,012.31

Step by Step Solution

1. Step 1: Write the proportion equation
   201,595.03 : 278,085.42 = 126,012.31 : x
2. Step 2: Convert to fraction form
   201,595.03/278,085.42 = 126,012.31/x
3. Step 3: Cross multiply
   201,595.03x = 278,085.42 × 126,012.31
4. Step 4: Simplify right side
   201,595.03x = 35,042,185,456.31
5. Step 5: Solve for x
   x = 35,042,185,456.31/201,595.03
6. Step 6: Final answer
   x = 173,824.65