Finding the Fourth Proportional to 31,192.56, 43,032.87 and 21,766.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,192.56 : 43,032.87 = 21,766.59 : x
2. Step 2: Convert to fraction form
   31,192.56/43,032.87 = 21,766.59/x
3. Step 3: Cross multiply
   31,192.56x = 43,032.87 × 21,766.59
4. Step 4: Simplify right side
   31,192.56x = 936,678,837.81
5. Step 5: Solve for x
   x = 936,678,837.81/31,192.56
6. Step 6: Final answer
   x = 30,028.92