Finding the Fourth Proportional to 6,901.76, 9,524.59 and 3,917.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,901.76 : 9,524.59 = 3,917.96 : x
2. Step 2: Convert to fraction form
   6,901.76/9,524.59 = 3,917.96/x
3. Step 3: Cross multiply
   6,901.76x = 9,524.59 × 3,917.96
4. Step 4: Simplify right side
   6,901.76x = 37,316,905.22
5. Step 5: Solve for x
   x = 37,316,905.22/6,901.76
6. Step 6: Final answer
   x = 5,406.87