Finding the Fourth Proportional to 10,047.10, 13,863.70 and 5,570.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.10 : 13,863.70 = 5,570.81 : x
2. Step 2: Convert to fraction form
   10,047.10/13,863.70 = 5,570.81/x
3. Step 3: Cross multiply
   10,047.10x = 13,863.70 × 5,570.81
4. Step 4: Simplify right side
   10,047.10x = 77,232,038.60
5. Step 5: Solve for x
   x = 77,232,038.60/10,047.10
6. Step 6: Final answer
   x = 7,687.00