Finding the Fourth Proportional to 9,308.58, 12,848.06 and 5,331.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.58 : 12,848.06 = 5,331.98 : x
2. Step 2: Convert to fraction form
   9,308.58/12,848.06 = 5,331.98/x
3. Step 3: Cross multiply
   9,308.58x = 12,848.06 × 5,331.98
4. Step 4: Simplify right side
   9,308.58x = 68,505,598.96
5. Step 5: Solve for x
   x = 68,505,598.96/9,308.58
6. Step 6: Final answer
   x = 7,359.40