Finding the Fourth Proportional to 178,085.72, 245,644.74 and 124,351.10

Step by Step Solution

1. Step 1: Write the proportion equation
   178,085.72 : 245,644.74 = 124,351.10 : x
2. Step 2: Convert to fraction form
   178,085.72/245,644.74 = 124,351.10/x
3. Step 3: Cross multiply
   178,085.72x = 245,644.74 × 124,351.10
4. Step 4: Simplify right side
   178,085.72x = 30,546,193,628.21
5. Step 5: Solve for x
   x = 30,546,193,628.21/178,085.72
6. Step 6: Final answer
   x = 171,525.23