Finding the Fourth Proportional to 31,213.26, 43,074.72 and 17,066.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,213.26 : 43,074.72 = 17,066.07 : x
2. Step 2: Convert to fraction form
   31,213.26/43,074.72 = 17,066.07/x
3. Step 3: Cross multiply
   31,213.26x = 43,074.72 × 17,066.07
4. Step 4: Simplify right side
   31,213.26x = 735,116,186.75
5. Step 5: Solve for x
   x = 735,116,186.75/31,213.26
6. Step 6: Final answer
   x = 23,551.41