Finding the Fourth Proportional to 10,031.43, 13,841.31 and 5,554.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.43 : 13,841.31 = 5,554.89 : x
2. Step 2: Convert to fraction form
   10,031.43/13,841.31 = 5,554.89/x
3. Step 3: Cross multiply
   10,031.43x = 13,841.31 × 5,554.89
4. Step 4: Simplify right side
   10,031.43x = 76,886,954.51
5. Step 5: Solve for x
   x = 76,886,954.51/10,031.43
6. Step 6: Final answer
   x = 7,664.61