Finding the Fourth Proportional to 31,219.34, 43,082.76 and 17,072.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,219.34 : 43,082.76 = 17,072.22 : x
2. Step 2: Convert to fraction form
   31,219.34/43,082.76 = 17,072.22/x
3. Step 3: Cross multiply
   31,219.34x = 43,082.76 × 17,072.22
4. Step 4: Simplify right side
   31,219.34x = 735,518,356.93
5. Step 5: Solve for x
   x = 735,518,356.93/31,219.34
6. Step 6: Final answer
   x = 23,559.71