Finding the Fourth Proportional to 10,047.48, 13,865.04 and 5,570.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.48 : 13,865.04 = 5,570.88 : x
2. Step 2: Convert to fraction form
   10,047.48/13,865.04 = 5,570.88/x
3. Step 3: Cross multiply
   10,047.48x = 13,865.04 × 5,570.88
4. Step 4: Simplify right side
   10,047.48x = 77,240,474.04
5. Step 5: Solve for x
   x = 77,240,474.04/10,047.48
6. Step 6: Final answer
   x = 7,687.55