Finding the Fourth Proportional to 31,051.22, 42,851.07 and 16,904.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.22 : 42,851.07 = 16,904.06 : x
2. Step 2: Convert to fraction form
   31,051.22/42,851.07 = 16,904.06/x
3. Step 3: Cross multiply
   31,051.22x = 42,851.07 × 16,904.06
4. Step 4: Simplify right side
   31,051.22x = 724,357,058.34
5. Step 5: Solve for x
   x = 724,357,058.34/31,051.22
6. Step 6: Final answer
   x = 23,327.81