Finding the Fourth Proportional to 13,526.96, 18,667.29 and 7,558.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,526.96 : 18,667.29 = 7,558.88 : x
2. Step 2: Convert to fraction form
   13,526.96/18,667.29 = 7,558.88/x
3. Step 3: Cross multiply
   13,526.96x = 18,667.29 × 7,558.88
4. Step 4: Simplify right side
   13,526.96x = 141,103,805.04
5. Step 5: Solve for x
   x = 141,103,805.04/13,526.96
6. Step 6: Final answer
   x = 10,431.30