Finding the Fourth Proportional to 13,008.96, 19,525.59 and 7,157.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.96 : 19,525.59 = 7,157.52 : x
2. Step 2: Convert to fraction form
   13,008.96/19,525.59 = 7,157.52/x
3. Step 3: Cross multiply
   13,008.96x = 19,525.59 × 7,157.52
4. Step 4: Simplify right side
   13,008.96x = 139,754,800.94
5. Step 5: Solve for x
   x = 139,754,800.94/13,008.96
6. Step 6: Final answer
   x = 10,742.96