Finding the Fourth Proportional to 13,502.77, 18,634.72 and 7,534.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,502.77 : 18,634.72 = 7,534.56 : x
2. Step 2: Convert to fraction form
   13,502.77/18,634.72 = 7,534.56/x
3. Step 3: Cross multiply
   13,502.77x = 18,634.72 × 7,534.56
4. Step 4: Simplify right side
   13,502.77x = 140,404,397.09
5. Step 5: Solve for x
   x = 140,404,397.09/13,502.77
6. Step 6: Final answer
   x = 10,398.19