Finding the Fourth Proportional to 10,053.99, 13,873.88 and 5,577.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.99 : 13,873.88 = 5,577.65 : x
2. Step 2: Convert to fraction form
   10,053.99/13,873.88 = 5,577.65/x
3. Step 3: Cross multiply
   10,053.99x = 13,873.88 × 5,577.65
4. Step 4: Simplify right side
   10,053.99x = 77,383,646.78
5. Step 5: Solve for x
   x = 77,383,646.78/10,053.99
6. Step 6: Final answer
   x = 7,696.81