Finding the Fourth Proportional to 14,189.34, 19,581.29 and 7,901.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,189.34 : 19,581.29 = 7,901.72 : x
2. Step 2: Convert to fraction form
   14,189.34/19,581.29 = 7,901.72/x
3. Step 3: Cross multiply
   14,189.34x = 19,581.29 × 7,901.72
4. Step 4: Simplify right side
   14,189.34x = 154,725,880.91
5. Step 5: Solve for x
   x = 154,725,880.91/14,189.34
6. Step 6: Final answer
   x = 10,904.37