Finding the Fourth Proportional to 35,724.72, 49,302.90 and 19,812.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,724.72 : 49,302.90 = 19,812.28 : x
2. Step 2: Convert to fraction form
   35,724.72/49,302.90 = 19,812.28/x
3. Step 3: Cross multiply
   35,724.72x = 49,302.90 × 19,812.28
4. Step 4: Simplify right side
   35,724.72x = 976,802,859.61
5. Step 5: Solve for x
   x = 976,802,859.61/35,724.72
6. Step 6: Final answer
   x = 27,342.49