Finding the Fourth Proportional to 16,577.01, 22,868.55 and 9,858.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,577.01 : 22,868.55 = 9,858.87 : x
2. Step 2: Convert to fraction form
   16,577.01/22,868.55 = 9,858.87/x
3. Step 3: Cross multiply
   16,577.01x = 22,868.55 × 9,858.87
4. Step 4: Simplify right side
   16,577.01x = 225,458,061.54
5. Step 5: Solve for x
   x = 225,458,061.54/16,577.01
6. Step 6: Final answer
   x = 13,600.65