Finding the Fourth Proportional to 6,178.58, 8,526.40 and 3,345.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,178.58 : 8,526.40 = 3,345.89 : x
2. Step 2: Convert to fraction form
   6,178.58/8,526.40 = 3,345.89/x
3. Step 3: Cross multiply
   6,178.58x = 8,526.40 × 3,345.89
4. Step 4: Simplify right side
   6,178.58x = 28,528,401.83
5. Step 5: Solve for x
   x = 28,528,401.83/6,178.58
6. Step 6: Final answer
   x = 4,617.31