Finding the Fourth Proportional to 34,230.84, 51,333.30 and 13,443

Step by Step Solution

1. Step 1: Write the proportion equation
   34,230.84 : 51,333.30 = 13,443 : x
2. Step 2: Convert to fraction form
   34,230.84/51,333.30 = 13,443/x
3. Step 3: Cross multiply
   34,230.84x = 51,333.30 × 13,443
4. Step 4: Simplify right side
   34,230.84x = 690,073,551.90
5. Step 5: Solve for x
   x = 690,073,551.90/34,230.84
6. Step 6: Final answer
   x = 20,159.41