Finding the Fourth Proportional to 6,892.32, 9,510.57 and 3,908.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,892.32 : 9,510.57 = 3,908.01 : x
2. Step 2: Convert to fraction form
   6,892.32/9,510.57 = 3,908.01/x
3. Step 3: Cross multiply
   6,892.32x = 9,510.57 × 3,908.01
4. Step 4: Simplify right side
   6,892.32x = 37,167,402.67
5. Step 5: Solve for x
   x = 37,167,402.67/6,892.32
6. Step 6: Final answer
   x = 5,392.58