Finding the Fourth Proportional to 28,526.27, 42,783.93 and 10,993.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,526.27 : 42,783.93 = 10,993.82 : x
2. Step 2: Convert to fraction form
   28,526.27/42,783.93 = 10,993.82/x
3. Step 3: Cross multiply
   28,526.27x = 42,783.93 × 10,993.82
4. Step 4: Simplify right side
   28,526.27x = 470,358,611.39
5. Step 5: Solve for x
   x = 470,358,611.39/28,526.27
6. Step 6: Final answer
   x = 16,488.62