Finding the Fourth Proportional to 14,056.84, 21,059.34 and 7,123.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,056.84 : 21,059.34 = 7,123.24 : x
2. Step 2: Convert to fraction form
   14,056.84/21,059.34 = 7,123.24/x
3. Step 3: Cross multiply
   14,056.84x = 21,059.34 × 7,123.24
4. Step 4: Simplify right side
   14,056.84x = 150,010,733.06
5. Step 5: Solve for x
   x = 150,010,733.06/14,056.84
6. Step 6: Final answer
   x = 10,671.73