Finding the Fourth Proportional to 10,046.99, 13,865.58 and 5,570.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.99 : 13,865.58 = 5,570.70 : x
2. Step 2: Convert to fraction form
   10,046.99/13,865.58 = 5,570.70/x
3. Step 3: Cross multiply
   10,046.99x = 13,865.58 × 5,570.70
4. Step 4: Simplify right side
   10,046.99x = 77,240,973.51
5. Step 5: Solve for x
   x = 77,240,973.51/10,046.99
6. Step 6: Final answer
   x = 7,687.97