Finding the Fourth Proportional to 9,499.31, 14,236.55 and 5,107.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.31 : 14,236.55 = 5,107.31 : x
2. Step 2: Convert to fraction form
   9,499.31/14,236.55 = 5,107.31/x
3. Step 3: Cross multiply
   9,499.31x = 14,236.55 × 5,107.31
4. Step 4: Simplify right side
   9,499.31x = 72,710,448.64
5. Step 5: Solve for x
   x = 72,710,448.64/9,499.31
6. Step 6: Final answer
   x = 7,654.29