Finding the Fourth Proportional to 12,602.55, 18,905.46 and 3,836.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,602.55 : 18,905.46 = 3,836.34 : x
2. Step 2: Convert to fraction form
   12,602.55/18,905.46 = 3,836.34/x
3. Step 3: Cross multiply
   12,602.55x = 18,905.46 × 3,836.34
4. Step 4: Simplify right side
   12,602.55x = 72,527,772.42
5. Step 5: Solve for x
   x = 72,527,772.42/12,602.55
6. Step 6: Final answer
   x = 5,755.01