Finding the Fourth Proportional to 19,196.16, 28,796.68 and 7,507.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,196.16 : 28,796.68 = 7,507.86 : x
2. Step 2: Convert to fraction form
   19,196.16/28,796.68 = 7,507.86/x
3. Step 3: Cross multiply
   19,196.16x = 28,796.68 × 7,507.86
4. Step 4: Simplify right side
   19,196.16x = 216,201,441.90
5. Step 5: Solve for x
   x = 216,201,441.90/19,196.16
6. Step 6: Final answer
   x = 11,262.74