Finding the Fourth Proportional to 14,213.09, 21,321.89 and 4,725.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,213.09 : 21,321.89 = 4,725.74 : x
2. Step 2: Convert to fraction form
   14,213.09/21,321.89 = 4,725.74/x
3. Step 3: Cross multiply
   14,213.09x = 21,321.89 × 4,725.74
4. Step 4: Simplify right side
   14,213.09x = 100,761,773.57
5. Step 5: Solve for x
   x = 100,761,773.57/14,213.09
6. Step 6: Final answer
   x = 7,089.36