Finding the Fourth Proportional to 19,100.50, 28,613.68 and 10,755.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,100.50 : 28,613.68 = 10,755.06 : x
2. Step 2: Convert to fraction form
   19,100.50/28,613.68 = 10,755.06/x
3. Step 3: Cross multiply
   19,100.50x = 28,613.68 × 10,755.06
4. Step 4: Simplify right side
   19,100.50x = 307,741,845.22
5. Step 5: Solve for x
   x = 307,741,845.22/19,100.50
6. Step 6: Final answer
   x = 16,111.72