Finding the Fourth Proportional to 276,519.39, 414,844.69 and 89,530.89

Step by Step Solution

1. Step 1: Write the proportion equation
   276,519.39 : 414,844.69 = 89,530.89 : x
2. Step 2: Convert to fraction form
   276,519.39/414,844.69 = 89,530.89/x
3. Step 3: Cross multiply
   276,519.39x = 414,844.69 × 89,530.89
4. Step 4: Simplify right side
   276,519.39x = 37,141,414,307.47
5. Step 5: Solve for x
   x = 37,141,414,307.47/276,519.39
6. Step 6: Final answer
   x = 134,317.58