Finding the Fourth Proportional to 6,178.52, 8,526.72 and 3,526.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,178.52 : 8,526.72 = 3,526.79 : x
2. Step 2: Convert to fraction form
   6,178.52/8,526.72 = 3,526.79/x
3. Step 3: Cross multiply
   6,178.52x = 8,526.72 × 3,526.79
4. Step 4: Simplify right side
   6,178.52x = 30,071,908.20
5. Step 5: Solve for x
   x = 30,071,908.20/6,178.52
6. Step 6: Final answer
   x = 4,867.17