Finding the Fourth Proportional to 10,047.18, 13,865.49 and 5,570.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.18 : 13,865.49 = 5,570.94 : x
2. Step 2: Convert to fraction form
   10,047.18/13,865.49 = 5,570.94/x
3. Step 3: Cross multiply
   10,047.18x = 13,865.49 × 5,570.94
4. Step 4: Simplify right side
   10,047.18x = 77,243,812.86
5. Step 5: Solve for x
   x = 77,243,812.86/10,047.18
6. Step 6: Final answer
   x = 7,688.11