Finding the Fourth Proportional to 31,137.48, 42,955.83 and 19,196.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.48 : 42,955.83 = 19,196.46 : x
2. Step 2: Convert to fraction form
   31,137.48/42,955.83 = 19,196.46/x
3. Step 3: Cross multiply
   31,137.48x = 42,955.83 × 19,196.46
4. Step 4: Simplify right side
   31,137.48x = 824,599,872.36
5. Step 5: Solve for x
   x = 824,599,872.36/31,137.48
6. Step 6: Final answer
   x = 26,482.55