Finding the Fourth Proportional to 9,773.50, 13,487.92 and 5,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773.50 : 13,487.92 = 5,357.50 : x
2. Step 2: Convert to fraction form
   9,773.50/13,487.92 = 5,357.50/x
3. Step 3: Cross multiply
   9,773.50x = 13,487.92 × 5,357.50
4. Step 4: Simplify right side
   9,773.50x = 72,261,531.40
5. Step 5: Solve for x
   x = 72,261,531.40/9,773.50
6. Step 6: Final answer
   x = 7,393.62