Finding the Fourth Proportional to 276,066.35, 414,104.72 and 86,522.52

Step by Step Solution

1. Step 1: Write the proportion equation
   276,066.35 : 414,104.72 = 86,522.52 : x
2. Step 2: Convert to fraction form
   276,066.35/414,104.72 = 86,522.52/x
3. Step 3: Cross multiply
   276,066.35x = 414,104.72 × 86,522.52
4. Step 4: Simplify right side
   276,066.35x = 35,829,385,142.84
5. Step 5: Solve for x
   x = 35,829,385,142.84/276,066.35
6. Step 6: Final answer
   x = 129,785.41