Finding the Fourth Proportional to 10,593.78, 15,873.39 and 5,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,593.78 : 15,873.39 = 5,392.50 : x
2. Step 2: Convert to fraction form
   10,593.78/15,873.39 = 5,392.50/x
3. Step 3: Cross multiply
   10,593.78x = 15,873.39 × 5,392.50
4. Step 4: Simplify right side
   10,593.78x = 85,597,255.58
5. Step 5: Solve for x
   x = 85,597,255.58/10,593.78
6. Step 6: Final answer
   x = 8,079.95