Finding the Fourth Proportional to 30,441.29, 42,035.69 and 19,130.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,441.29 : 42,035.69 = 19,130.38 : x
2. Step 2: Convert to fraction form
   30,441.29/42,035.69 = 19,130.38/x
3. Step 3: Cross multiply
   30,441.29x = 42,035.69 × 19,130.38
4. Step 4: Simplify right side
   30,441.29x = 804,158,666.00
5. Step 5: Solve for x
   x = 804,158,666.00/30,441.29
6. Step 6: Final answer
   x = 26,416.71