Finding the Fourth Proportional to 10,051.20, 13,868.48 and 5,858.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,051.20 : 13,868.48 = 5,858.88 : x
2. Step 2: Convert to fraction form
   10,051.20/13,868.48 = 5,858.88/x
3. Step 3: Cross multiply
   10,051.20x = 13,868.48 × 5,858.88
4. Step 4: Simplify right side
   10,051.20x = 81,253,760.10
5. Step 5: Solve for x
   x = 81,253,760.10/10,051.20
6. Step 6: Final answer
   x = 8,083.99