Finding the Fourth Proportional to 13,736.56, 18,956.46 and 7,448.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,736.56 : 18,956.46 = 7,448.93 : x
2. Step 2: Convert to fraction form
   13,736.56/18,956.46 = 7,448.93/x
3. Step 3: Cross multiply
   13,736.56x = 18,956.46 × 7,448.93
4. Step 4: Simplify right side
   13,736.56x = 141,205,390.98
5. Step 5: Solve for x
   x = 141,205,390.98/13,736.56
6. Step 6: Final answer
   x = 10,279.53