Finding the Fourth Proportional to 10,852.38, 14,978.52 and 10,113.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852.38 : 14,978.52 = 10,113.66 : x
2. Step 2: Convert to fraction form
   10,852.38/14,978.52 = 10,113.66/x
3. Step 3: Cross multiply
   10,852.38x = 14,978.52 × 10,113.66
4. Step 4: Simplify right side
   10,852.38x = 151,487,658.58
5. Step 5: Solve for x
   x = 151,487,658.58/10,852.38
6. Step 6: Final answer
   x = 13,958.93