Finding the Fourth Proportional to 5,602.55, 8,392.89 and 3,405.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,602.55 : 8,392.89 = 3,405.83 : x
2. Step 2: Convert to fraction form
   5,602.55/8,392.89 = 3,405.83/x
3. Step 3: Cross multiply
   5,602.55x = 8,392.89 × 3,405.83
4. Step 4: Simplify right side
   5,602.55x = 28,584,756.55
5. Step 5: Solve for x
   x = 28,584,756.55/5,602.55
6. Step 6: Final answer
   x = 5,102.10