Finding the Fourth Proportional to 8,130.94, 12,196.13 and 3,447.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,130.94 : 12,196.13 = 3,447.93 : x
2. Step 2: Convert to fraction form
   8,130.94/12,196.13 = 3,447.93/x
3. Step 3: Cross multiply
   8,130.94x = 12,196.13 × 3,447.93
4. Step 4: Simplify right side
   8,130.94x = 42,051,402.51
5. Step 5: Solve for x
   x = 42,051,402.51/8,130.94
6. Step 6: Final answer
   x = 5,171.78