Finding the Fourth Proportional to 9,606.72, 13,256.33 and 7,090.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606.72 : 13,256.33 = 7,090.19 : x
2. Step 2: Convert to fraction form
   9,606.72/13,256.33 = 7,090.19/x
3. Step 3: Cross multiply
   9,606.72x = 13,256.33 × 7,090.19
4. Step 4: Simplify right side
   9,606.72x = 93,989,796.67
5. Step 5: Solve for x
   x = 93,989,796.67/9,606.72
6. Step 6: Final answer
   x = 9,783.76