Finding the Fourth Proportional to 14,748.29, 20,316.89 and 10,964.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,748.29 : 20,316.89 = 10,964.91 : x
2. Step 2: Convert to fraction form
   14,748.29/20,316.89 = 10,964.91/x
3. Step 3: Cross multiply
   14,748.29x = 20,316.89 × 10,964.91
4. Step 4: Simplify right side
   14,748.29x = 222,772,815.51
5. Step 5: Solve for x
   x = 222,772,815.51/14,748.29
6. Step 6: Final answer
   x = 15,105.00