Finding the Fourth Proportional to 10,046.55, 13,864.10 and 5,570.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.55 : 13,864.10 = 5,570.20 : x
2. Step 2: Convert to fraction form
   10,046.55/13,864.10 = 5,570.20/x
3. Step 3: Cross multiply
   10,046.55x = 13,864.10 × 5,570.20
4. Step 4: Simplify right side
   10,046.55x = 77,225,809.82
5. Step 5: Solve for x
   x = 77,225,809.82/10,046.55
6. Step 6: Final answer
   x = 7,686.80