Finding the Fourth Proportional to 20,039.84, 30,061.48 and 5,248.76

Step by Step Solution

1. Step 1: Write the proportion equation
   20,039.84 : 30,061.48 = 5,248.76 : x
2. Step 2: Convert to fraction form
   20,039.84/30,061.48 = 5,248.76/x
3. Step 3: Cross multiply
   20,039.84x = 30,061.48 × 5,248.76
4. Step 4: Simplify right side
   20,039.84x = 157,785,493.76
5. Step 5: Solve for x
   x = 157,785,493.76/20,039.84
6. Step 6: Final answer
   x = 7,873.59