Finding the Fourth Proportional to 23,003.19, 31,775.90 and 19,503.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,003.19 : 31,775.90 = 19,503.99 : x
2. Step 2: Convert to fraction form
   23,003.19/31,775.90 = 19,503.99/x
3. Step 3: Cross multiply
   23,003.19x = 31,775.90 × 19,503.99
4. Step 4: Simplify right side
   23,003.19x = 619,756,738.32
5. Step 5: Solve for x
   x = 619,756,738.32/23,003.19
6. Step 6: Final answer
   x = 26,942.21