Finding the Fourth Proportional to 8,365.91, 12,551.94 and 3,434.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,365.91 : 12,551.94 = 3,434.22 : x
2. Step 2: Convert to fraction form
   8,365.91/12,551.94 = 3,434.22/x
3. Step 3: Cross multiply
   8,365.91x = 12,551.94 × 3,434.22
4. Step 4: Simplify right side
   8,365.91x = 43,106,123.39
5. Step 5: Solve for x
   x = 43,106,123.39/8,365.91
6. Step 6: Final answer
   x = 5,152.59