Finding the Fourth Proportional to 9,090.86, 12,552.44 and 7,097.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.86 : 12,552.44 = 7,097.92 : x
2. Step 2: Convert to fraction form
   9,090.86/12,552.44 = 7,097.92/x
3. Step 3: Cross multiply
   9,090.86x = 12,552.44 × 7,097.92
4. Step 4: Simplify right side
   9,090.86x = 89,096,148.05
5. Step 5: Solve for x
   x = 89,096,148.05/9,090.86
6. Step 6: Final answer
   x = 9,800.63