Finding the Fourth Proportional to 10,091.84, 13,926.36 and 5,615.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.84 : 13,926.36 = 5,615.76 : x
2. Step 2: Convert to fraction form
   10,091.84/13,926.36 = 5,615.76/x
3. Step 3: Cross multiply
   10,091.84x = 13,926.36 × 5,615.76
4. Step 4: Simplify right side
   10,091.84x = 78,207,095.43
5. Step 5: Solve for x
   x = 78,207,095.43/10,091.84
6. Step 6: Final answer
   x = 7,749.54