Finding the Fourth Proportional to 10,560.06, 15,840.72 and 9,010.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.06 : 15,840.72 = 9,010.94 : x
2. Step 2: Convert to fraction form
   10,560.06/15,840.72 = 9,010.94/x
3. Step 3: Cross multiply
   10,560.06x = 15,840.72 × 9,010.94
4. Step 4: Simplify right side
   10,560.06x = 142,739,698.27
5. Step 5: Solve for x
   x = 142,739,698.27/10,560.06
6. Step 6: Final answer
   x = 13,516.94