Finding the Fourth Proportional to 8,731.49, 12,051.32 and 5,747.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.49 : 12,051.32 = 5,747.58 : x
2. Step 2: Convert to fraction form
   8,731.49/12,051.32 = 5,747.58/x
3. Step 3: Cross multiply
   8,731.49x = 12,051.32 × 5,747.58
4. Step 4: Simplify right side
   8,731.49x = 69,265,897.07
5. Step 5: Solve for x
   x = 69,265,897.07/8,731.49
6. Step 6: Final answer
   x = 7,932.89