Finding the Fourth Proportional to 19,300.37, 28,903.37 and 17,430.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.37 : 28,903.37 = 17,430.48 : x
2. Step 2: Convert to fraction form
   19,300.37/28,903.37 = 17,430.48/x
3. Step 3: Cross multiply
   19,300.37x = 28,903.37 × 17,430.48
4. Step 4: Simplify right side
   19,300.37x = 503,799,525.57
5. Step 5: Solve for x
   x = 503,799,525.57/19,300.37
6. Step 6: Final answer
   x = 26,103.11