Finding the Fourth Proportional to 17,656.75, 26,484.45 and 7,123.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,656.75 : 26,484.45 = 7,123.51 : x
2. Step 2: Convert to fraction form
   17,656.75/26,484.45 = 7,123.51/x
3. Step 3: Cross multiply
   17,656.75x = 26,484.45 × 7,123.51
4. Step 4: Simplify right side
   17,656.75x = 188,662,244.42
5. Step 5: Solve for x
   x = 188,662,244.42/17,656.75
6. Step 6: Final answer
   x = 10,684.99