Finding the Fourth Proportional to 12,141.50, 18,200.09 and 4,735.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.50 : 18,200.09 = 4,735.77 : x
2. Step 2: Convert to fraction form
   12,141.50/18,200.09 = 4,735.77/x
3. Step 3: Cross multiply
   12,141.50x = 18,200.09 × 4,735.77
4. Step 4: Simplify right side
   12,141.50x = 86,191,383.81
5. Step 5: Solve for x
   x = 86,191,383.81/12,141.50
6. Step 6: Final answer
   x = 7,098.91