Finding the Fourth Proportional to 30,441.16, 42,035.52 and 19,130.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,441.16 : 42,035.52 = 19,130.25 : x
2. Step 2: Convert to fraction form
   30,441.16/42,035.52 = 19,130.25/x
3. Step 3: Cross multiply
   30,441.16x = 42,035.52 × 19,130.25
4. Step 4: Simplify right side
   30,441.16x = 804,150,006.48
5. Step 5: Solve for x
   x = 804,150,006.48/30,441.16
6. Step 6: Final answer
   x = 26,416.54