Finding the Fourth Proportional to 6,128.02, 8,453.70 and 3,766.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.02 : 8,453.70 = 3,766.06 : x
2. Step 2: Convert to fraction form
   6,128.02/8,453.70 = 3,766.06/x
3. Step 3: Cross multiply
   6,128.02x = 8,453.70 × 3,766.06
4. Step 4: Simplify right side
   6,128.02x = 31,837,141.42
5. Step 5: Solve for x
   x = 31,837,141.42/6,128.02
6. Step 6: Final answer
   x = 5,195.34