Finding the Fourth Proportional to 10,086.94, 15,152.30 and 8,530.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.94 : 15,152.30 = 8,530.07 : x
2. Step 2: Convert to fraction form
   10,086.94/15,152.30 = 8,530.07/x
3. Step 3: Cross multiply
   10,086.94x = 15,152.30 × 8,530.07
4. Step 4: Simplify right side
   10,086.94x = 129,250,093.24
5. Step 5: Solve for x
   x = 129,250,093.24/10,086.94
6. Step 6: Final answer
   x = 12,813.61