Finding the Fourth Proportional to 31,061.92, 42,858.96 and 18,484.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.92 : 42,858.96 = 18,484.48 : x
2. Step 2: Convert to fraction form
   31,061.92/42,858.96 = 18,484.48/x
3. Step 3: Cross multiply
   31,061.92x = 42,858.96 × 18,484.48
4. Step 4: Simplify right side
   31,061.92x = 792,225,588.94
5. Step 5: Solve for x
   x = 792,225,588.94/31,061.92
6. Step 6: Final answer
   x = 25,504.72