Finding the Fourth Proportional to 31,763.38, 47,581.54 and 19,106.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,763.38 : 47,581.54 = 19,106.15 : x
2. Step 2: Convert to fraction form
   31,763.38/47,581.54 = 19,106.15/x
3. Step 3: Cross multiply
   31,763.38x = 47,581.54 × 19,106.15
4. Step 4: Simplify right side
   31,763.38x = 909,099,754.80
5. Step 5: Solve for x
   x = 909,099,754.80/31,763.38
6. Step 6: Final answer
   x = 28,621.00