Finding the Fourth Proportional to 31,025.76, 46,607.82 and 19,188.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,025.76 : 46,607.82 = 19,188.28 : x
2. Step 2: Convert to fraction form
   31,025.76/46,607.82 = 19,188.28/x
3. Step 3: Cross multiply
   31,025.76x = 46,607.82 × 19,188.28
4. Step 4: Simplify right side
   31,025.76x = 894,323,900.35
5. Step 5: Solve for x
   x = 894,323,900.35/31,025.76
6. Step 6: Final answer
   x = 28,825.21