Finding the Fourth Proportional to 11,242.45, 15,518.96 and 10,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,242.45 : 15,518.96 = 10,061.47 : x
2. Step 2: Convert to fraction form
   11,242.45/15,518.96 = 10,061.47/x
3. Step 3: Cross multiply
   11,242.45x = 15,518.96 × 10,061.47
4. Step 4: Simplify right side
   11,242.45x = 156,143,550.47
5. Step 5: Solve for x
   x = 156,143,550.47/11,242.45
6. Step 6: Final answer
   x = 13,888.75