Finding the Fourth Proportional to 8,100.51, 12,147.98 and 3,937.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.51 : 12,147.98 = 3,937.83 : x
2. Step 2: Convert to fraction form
   8,100.51/12,147.98 = 3,937.83/x
3. Step 3: Cross multiply
   8,100.51x = 12,147.98 × 3,937.83
4. Step 4: Simplify right side
   8,100.51x = 47,836,683.17
5. Step 5: Solve for x
   x = 47,836,683.17/8,100.51
6. Step 6: Final answer
   x = 5,905.39