Finding the Fourth Proportional to 13,904.56, 19,188.24 and 7,531.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,904.56 : 19,188.24 = 7,531.12 : x
2. Step 2: Convert to fraction form
   13,904.56/19,188.24 = 7,531.12/x
3. Step 3: Cross multiply
   13,904.56x = 19,188.24 × 7,531.12
4. Step 4: Simplify right side
   13,904.56x = 144,508,938.03
5. Step 5: Solve for x
   x = 144,508,938.03/13,904.56
6. Step 6: Final answer
   x = 10,392.92