Finding the Fourth Proportional to 10,805.60, 16,094.76 and 10,300

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805.60 : 16,094.76 = 10,300 : x
2. Step 2: Convert to fraction form
   10,805.60/16,094.76 = 10,300/x
3. Step 3: Cross multiply
   10,805.60x = 16,094.76 × 10,300
4. Step 4: Simplify right side
   10,805.60x = 165,776,028
5. Step 5: Solve for x
   x = 165,776,028/10,805.60
6. Step 6: Final answer
   x = 15,341.68