Finding the Fourth Proportional to 6,178.52, 8,526.71 and 3,526.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,178.52 : 8,526.71 = 3,526.78 : x
2. Step 2: Convert to fraction form
   6,178.52/8,526.71 = 3,526.78/x
3. Step 3: Cross multiply
   6,178.52x = 8,526.71 × 3,526.78
4. Step 4: Simplify right side
   6,178.52x = 30,071,817.79
5. Step 5: Solve for x
   x = 30,071,817.79/6,178.52
6. Step 6: Final answer
   x = 4,867.16