Finding the Fourth Proportional to 10,051.49, 13,871.04 and 5,575.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,051.49 : 13,871.04 = 5,575.28 : x
2. Step 2: Convert to fraction form
   10,051.49/13,871.04 = 5,575.28/x
3. Step 3: Cross multiply
   10,051.49x = 13,871.04 × 5,575.28
4. Step 4: Simplify right side
   10,051.49x = 77,334,931.89
5. Step 5: Solve for x
   x = 77,334,931.89/10,051.49
6. Step 6: Final answer
   x = 7,693.88