Finding the Fourth Proportional to 9,097.39, 12,555.90 and 5,742.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,097.39 : 12,555.90 = 5,742.03 : x
2. Step 2: Convert to fraction form
   9,097.39/12,555.90 = 5,742.03/x
3. Step 3: Cross multiply
   9,097.39x = 12,555.90 × 5,742.03
4. Step 4: Simplify right side
   9,097.39x = 72,096,354.48
5. Step 5: Solve for x
   x = 72,096,354.48/9,097.39
6. Step 6: Final answer
   x = 7,924.95