Finding the Fourth Proportional to 13,256.13, 18,293.93 and 7,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,256.13 : 18,293.93 = 7,591.89 : x
2. Step 2: Convert to fraction form
   13,256.13/18,293.93 = 7,591.89/x
3. Step 3: Cross multiply
   13,256.13x = 18,293.93 × 7,591.89
4. Step 4: Simplify right side
   13,256.13x = 138,885,504.23
5. Step 5: Solve for x
   x = 138,885,504.23/13,256.13
6. Step 6: Final answer
   x = 10,477.08