Finding the Fourth Proportional to 10,540.30, 14,518.33 and 7,347.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,540.30 : 14,518.33 = 7,347.89 : x
2. Step 2: Convert to fraction form
   10,540.30/14,518.33 = 7,347.89/x
3. Step 3: Cross multiply
   10,540.30x = 14,518.33 × 7,347.89
4. Step 4: Simplify right side
   10,540.30x = 106,679,091.82
5. Step 5: Solve for x
   x = 106,679,091.82/10,540.30
6. Step 6: Final answer
   x = 10,121.07