Finding the Fourth Proportional to 31,491, 43,457.58 and 17,343.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491 : 43,457.58 = 17,343.84 : x
2. Step 2: Convert to fraction form
   31,491/43,457.58 = 17,343.84/x
3. Step 3: Cross multiply
   31,491x = 43,457.58 × 17,343.84
4. Step 4: Simplify right side
   31,491x = 753,721,314.31
5. Step 5: Solve for x
   x = 753,721,314.31/31,491
6. Step 6: Final answer
   x = 23,934.50