Finding the Fourth Proportional to 13,460.13, 18,575.99 and 7,796.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,460.13 : 18,575.99 = 7,796.40 : x
2. Step 2: Convert to fraction form
   13,460.13/18,575.99 = 7,796.40/x
3. Step 3: Cross multiply
   13,460.13x = 18,575.99 × 7,796.40
4. Step 4: Simplify right side
   13,460.13x = 144,825,809.45
5. Step 5: Solve for x
   x = 144,825,809.45/13,460.13
6. Step 6: Final answer
   x = 10,759.61