Finding the Fourth Proportional to 10,612.67, 15,913.53 and 7,286.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,612.67 : 15,913.53 = 7,286.00 : x
2. Step 2: Convert to fraction form
   10,612.67/15,913.53 = 7,286.00/x
3. Step 3: Cross multiply
   10,612.67x = 15,913.53 × 7,286.00
4. Step 4: Simplify right side
   10,612.67x = 115,945,900.01
5. Step 5: Solve for x
   x = 115,945,900.01/10,612.67
6. Step 6: Final answer
   x = 10,925.24