Finding the Fourth Proportional to 16,589.33, 22,886.01 and 10,916.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,589.33 : 22,886.01 = 10,916.78 : x
2. Step 2: Convert to fraction form
   16,589.33/22,886.01 = 10,916.78/x
3. Step 3: Cross multiply
   16,589.33x = 22,886.01 × 10,916.78
4. Step 4: Simplify right side
   16,589.33x = 249,841,536.25
5. Step 5: Solve for x
   x = 249,841,536.25/16,589.33
6. Step 6: Final answer
   x = 15,060.38