Finding the Fourth Proportional to 11,300.72, 16,930.62 and 4,715.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.72 : 16,930.62 = 4,715.42 : x
2. Step 2: Convert to fraction form
   11,300.72/16,930.62 = 4,715.42/x
3. Step 3: Cross multiply
   11,300.72x = 16,930.62 × 4,715.42
4. Step 4: Simplify right side
   11,300.72x = 79,834,899.51
5. Step 5: Solve for x
   x = 79,834,899.51/11,300.72
6. Step 6: Final answer
   x = 7,064.59