Finding the Fourth Proportional to 10,356.84, 15,513.80 and 5,411.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.84 : 15,513.80 = 5,411.52 : x
2. Step 2: Convert to fraction form
   10,356.84/15,513.80 = 5,411.52/x
3. Step 3: Cross multiply
   10,356.84x = 15,513.80 × 5,411.52
4. Step 4: Simplify right side
   10,356.84x = 83,953,211.92
5. Step 5: Solve for x
   x = 83,953,211.92/10,356.84
6. Step 6: Final answer
   x = 8,106.06