Finding the Fourth Proportional to 10,047.95, 13,866.49 and 5,572.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.95 : 13,866.49 = 5,572.12 : x
2. Step 2: Convert to fraction form
   10,047.95/13,866.49 = 5,572.12/x
3. Step 3: Cross multiply
   10,047.95x = 13,866.49 × 5,572.12
4. Step 4: Simplify right side
   10,047.95x = 77,265,705.56
5. Step 5: Solve for x
   x = 77,265,705.56/10,047.95
6. Step 6: Final answer
   x = 7,689.70