Finding the Fourth Proportional to 8,100.10, 12,148.33 and 2,905.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.10 : 12,148.33 = 2,905.98 : x
2. Step 2: Convert to fraction form
   8,100.10/12,148.33 = 2,905.98/x
3. Step 3: Cross multiply
   8,100.10x = 12,148.33 × 2,905.98
4. Step 4: Simplify right side
   8,100.10x = 35,302,736.01
5. Step 5: Solve for x
   x = 35,302,736.01/8,100.10
6. Step 6: Final answer
   x = 4,358.31