Finding the Fourth Proportional to 9,904.31, 13,667.73 and 5,427.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.31 : 13,667.73 = 5,427.97 : x
2. Step 2: Convert to fraction form
   9,904.31/13,667.73 = 5,427.97/x
3. Step 3: Cross multiply
   9,904.31x = 13,667.73 × 5,427.97
4. Step 4: Simplify right side
   9,904.31x = 74,188,028.41
5. Step 5: Solve for x
   x = 74,188,028.41/9,904.31
6. Step 6: Final answer
   x = 7,490.48