Finding the Fourth Proportional to 9,555.48, 13,187.88 and 5,364

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.48 : 13,187.88 = 5,364 : x
2. Step 2: Convert to fraction form
   9,555.48/13,187.88 = 5,364/x
3. Step 3: Cross multiply
   9,555.48x = 13,187.88 × 5,364
4. Step 4: Simplify right side
   9,555.48x = 70,739,788.32
5. Step 5: Solve for x
   x = 70,739,788.32/9,555.48
6. Step 6: Final answer
   x = 7,403.06