Finding the Fourth Proportional to 19,499.64, 29,250.90 and 5,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499.64 : 29,250.90 = 5,649.72 : x
2. Step 2: Convert to fraction form
   19,499.64/29,250.90 = 5,649.72/x
3. Step 3: Cross multiply
   19,499.64x = 29,250.90 × 5,649.72
4. Step 4: Simplify right side
   19,499.64x = 165,259,394.75
5. Step 5: Solve for x
   x = 165,259,394.75/19,499.64
6. Step 6: Final answer
   x = 8,475.00