Finding the Fourth Proportional to 6,883.31, 9,499.78 and 4,088.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.31 : 9,499.78 = 4,088.81 : x
2. Step 2: Convert to fraction form
   6,883.31/9,499.78 = 4,088.81/x
3. Step 3: Cross multiply
   6,883.31x = 9,499.78 × 4,088.81
4. Step 4: Simplify right side
   6,883.31x = 38,842,795.46
5. Step 5: Solve for x
   x = 38,842,795.46/6,883.31
6. Step 6: Final answer
   x = 5,643.04