Finding the Fourth Proportional to 10,020.51, 13,828.37 and 5,828.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.51 : 13,828.37 = 5,828.76 : x
2. Step 2: Convert to fraction form
   10,020.51/13,828.37 = 5,828.76/x
3. Step 3: Cross multiply
   10,020.51x = 13,828.37 × 5,828.76
4. Step 4: Simplify right side
   10,020.51x = 80,602,220.78
5. Step 5: Solve for x
   x = 80,602,220.78/10,020.51
6. Step 6: Final answer
   x = 8,043.72