Finding the Fourth Proportional to 31,092.23, 42,907.43 and 17,664.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.23 : 42,907.43 = 17,664.22 : x
2. Step 2: Convert to fraction form
   31,092.23/42,907.43 = 17,664.22/x
3. Step 3: Cross multiply
   31,092.23x = 42,907.43 × 17,664.22
4. Step 4: Simplify right side
   31,092.23x = 757,926,362.04
5. Step 5: Solve for x
   x = 757,926,362.04/31,092.23
6. Step 6: Final answer
   x = 24,376.71