Finding the Fourth Proportional to 10,071.84, 15,100.32 and 5,391.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.84 : 15,100.32 = 5,391.68 : x
2. Step 2: Convert to fraction form
   10,071.84/15,100.32 = 5,391.68/x
3. Step 3: Cross multiply
   10,071.84x = 15,100.32 × 5,391.68
4. Step 4: Simplify right side
   10,071.84x = 81,416,093.34
5. Step 5: Solve for x
   x = 81,416,093.34/10,071.84
6. Step 6: Final answer
   x = 8,083.54