Finding the Fourth Proportional to 39,993.38, 55,191.28 and 22,088.84

Step by Step Solution

1. Step 1: Write the proportion equation
   39,993.38 : 55,191.28 = 22,088.84 : x
2. Step 2: Convert to fraction form
   39,993.38/55,191.28 = 22,088.84/x
3. Step 3: Cross multiply
   39,993.38x = 55,191.28 × 22,088.84
4. Step 4: Simplify right side
   39,993.38x = 1,219,111,353.32
5. Step 5: Solve for x
   x = 1,219,111,353.32/39,993.38
6. Step 6: Final answer
   x = 30,482.83