Finding the Fourth Proportional to 10,047.45, 13,864.34 and 5,570.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.45 : 13,864.34 = 5,570.07 : x
2. Step 2: Convert to fraction form
   10,047.45/13,864.34 = 5,570.07/x
3. Step 3: Cross multiply
   10,047.45x = 13,864.34 × 5,570.07
4. Step 4: Simplify right side
   10,047.45x = 77,225,316.45
5. Step 5: Solve for x
   x = 77,225,316.45/10,047.45
6. Step 6: Final answer
   x = 7,686.06