Finding the Fourth Proportional to 19,003.47, 28,502.63 and 4,964.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,003.47 : 28,502.63 = 4,964.48 : x
2. Step 2: Convert to fraction form
   19,003.47/28,502.63 = 4,964.48/x
3. Step 3: Cross multiply
   19,003.47x = 28,502.63 × 4,964.48
4. Step 4: Simplify right side
   19,003.47x = 141,500,736.58
5. Step 5: Solve for x
   x = 141,500,736.58/19,003.47
6. Step 6: Final answer
   x = 7,446.05