Finding the Fourth Proportional to 39,994.84, 55,191.81 and 22,088.57

Step by Step Solution

1. Step 1: Write the proportion equation
   39,994.84 : 55,191.81 = 22,088.57 : x
2. Step 2: Convert to fraction form
   39,994.84/55,191.81 = 22,088.57/x
3. Step 3: Cross multiply
   39,994.84x = 55,191.81 × 22,088.57
4. Step 4: Simplify right side
   39,994.84x = 1,219,108,158.61
5. Step 5: Solve for x
   x = 1,219,108,158.61/39,994.84
6. Step 6: Final answer
   x = 30,481.64