Finding the Fourth Proportional to 31,454.84, 43,362.06 and 21,994.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,454.84 : 43,362.06 = 21,994.04 : x
2. Step 2: Convert to fraction form
   31,454.84/43,362.06 = 21,994.04/x
3. Step 3: Cross multiply
   31,454.84x = 43,362.06 × 21,994.04
4. Step 4: Simplify right side
   31,454.84x = 953,706,882.12
5. Step 5: Solve for x
   x = 953,706,882.12/31,454.84
6. Step 6: Final answer
   x = 30,319.88