Finding the Fourth Proportional to 338,714.37, 508,105.59 and 89,396.37

Step by Step Solution

1. Step 1: Write the proportion equation
   338,714.37 : 508,105.59 = 89,396.37 : x
2. Step 2: Convert to fraction form
   338,714.37/508,105.59 = 89,396.37/x
3. Step 3: Cross multiply
   338,714.37x = 508,105.59 × 89,396.37
4. Step 4: Simplify right side
   338,714.37x = 45,422,795,322.71
5. Step 5: Solve for x
   x = 45,422,795,322.71/338,714.37
6. Step 6: Final answer
   x = 134,103.54