Finding the Fourth Proportional to 19,700.50, 27,186.72 and 10,748.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,700.50 : 27,186.72 = 10,748.05 : x
2. Step 2: Convert to fraction form
   19,700.50/27,186.72 = 10,748.05/x
3. Step 3: Cross multiply
   19,700.50x = 27,186.72 × 10,748.05
4. Step 4: Simplify right side
   19,700.50x = 292,204,225.90
5. Step 5: Solve for x
   x = 292,204,225.90/19,700.50
6. Step 6: Final answer
   x = 14,832.33