Finding the Fourth Proportional to 9,555.42, 13,186.71 and 5,364.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.42 : 13,186.71 = 5,364.06 : x
2. Step 2: Convert to fraction form
   9,555.42/13,186.71 = 5,364.06/x
3. Step 3: Cross multiply
   9,555.42x = 13,186.71 × 5,364.06
4. Step 4: Simplify right side
   9,555.42x = 70,734,303.64
5. Step 5: Solve for x
   x = 70,734,303.64/9,555.42
6. Step 6: Final answer
   x = 7,402.53