Finding the Fourth Proportional to 6,123.79, 8,451.51 and 3,606.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.79 : 8,451.51 = 3,606.52 : x
2. Step 2: Convert to fraction form
   6,123.79/8,451.51 = 3,606.52/x
3. Step 3: Cross multiply
   6,123.79x = 8,451.51 × 3,606.52
4. Step 4: Simplify right side
   6,123.79x = 30,480,518.72
5. Step 5: Solve for x
   x = 30,480,518.72/6,123.79
6. Step 6: Final answer
   x = 4,977.40