Finding the Fourth Proportional to 13,736.52, 18,955.86 and 7,448.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,736.52 : 18,955.86 = 7,448.76 : x
2. Step 2: Convert to fraction form
   13,736.52/18,955.86 = 7,448.76/x
3. Step 3: Cross multiply
   13,736.52x = 18,955.86 × 7,448.76
4. Step 4: Simplify right side
   13,736.52x = 141,197,651.73
5. Step 5: Solve for x
   x = 141,197,651.73/13,736.52
6. Step 6: Final answer
   x = 10,279.00