Finding the Fourth Proportional to 10,047.47, 13,864.95 and 5,570.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.47 : 13,864.95 = 5,570.96 : x
2. Step 2: Convert to fraction form
   10,047.47/13,864.95 = 5,570.96/x
3. Step 3: Cross multiply
   10,047.47x = 13,864.95 × 5,570.96
4. Step 4: Simplify right side
   10,047.47x = 77,241,081.85
5. Step 5: Solve for x
   x = 77,241,081.85/10,047.47
6. Step 6: Final answer
   x = 7,687.62