Finding the Fourth Proportional to 11,695.51, 17,548.53 and 5,123.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,695.51 : 17,548.53 = 5,123.58 : x
2. Step 2: Convert to fraction form
   11,695.51/17,548.53 = 5,123.58/x
3. Step 3: Cross multiply
   11,695.51x = 17,548.53 × 5,123.58
4. Step 4: Simplify right side
   11,695.51x = 89,911,297.34
5. Step 5: Solve for x
   x = 89,911,297.34/11,695.51
6. Step 6: Final answer
   x = 7,687.68