Finding the Fourth Proportional to 8,141.60, 12,212.19 and 3,460.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.60 : 12,212.19 = 3,460.34 : x
2. Step 2: Convert to fraction form
   8,141.60/12,212.19 = 3,460.34/x
3. Step 3: Cross multiply
   8,141.60x = 12,212.19 × 3,460.34
4. Step 4: Simplify right side
   8,141.60x = 42,258,268.48
5. Step 5: Solve for x
   x = 42,258,268.48/8,141.60
6. Step 6: Final answer
   x = 5,190.42