Finding the Fourth Proportional to 31,051.06, 42,851.56 and 17,622.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.06 : 42,851.56 = 17,622.88 : x
2. Step 2: Convert to fraction form
   31,051.06/42,851.56 = 17,622.88/x
3. Step 3: Cross multiply
   31,051.06x = 42,851.56 × 17,622.88
4. Step 4: Simplify right side
   31,051.06x = 755,167,899.69
5. Step 5: Solve for x
   x = 755,167,899.69/31,051.06
6. Step 6: Final answer
   x = 24,320.20