Finding the Fourth Proportional to 31,844.66, 43,931.98 and 19,887.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,844.66 : 43,931.98 = 19,887.22 : x
2. Step 2: Convert to fraction form
   31,844.66/43,931.98 = 19,887.22/x
3. Step 3: Cross multiply
   31,844.66x = 43,931.98 × 19,887.22
4. Step 4: Simplify right side
   31,844.66x = 873,684,951.30
5. Step 5: Solve for x
   x = 873,684,951.30/31,844.66
6. Step 6: Final answer
   x = 27,435.84