Finding the Fourth Proportional to 39,993.69, 55,191.29 and 22,088.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,993.69 : 55,191.29 = 22,088.69 : x
2. Step 2: Convert to fraction form
   39,993.69/55,191.29 = 22,088.69/x
3. Step 3: Cross multiply
   39,993.69x = 55,191.29 × 22,088.69
4. Step 4: Simplify right side
   39,993.69x = 1,219,103,295.51
5. Step 5: Solve for x
   x = 1,219,103,295.51/39,993.69
6. Step 6: Final answer
   x = 30,482.39