Finding the Fourth Proportional to 13,123.68, 19,667.08 and 7,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.68 : 19,667.08 = 7,185.32 : x
2. Step 2: Convert to fraction form
   13,123.68/19,667.08 = 7,185.32/x
3. Step 3: Cross multiply
   13,123.68x = 19,667.08 × 7,185.32
4. Step 4: Simplify right side
   13,123.68x = 141,314,263.27
5. Step 5: Solve for x
   x = 141,314,263.27/13,123.68
6. Step 6: Final answer
   x = 10,767.88