Finding the Fourth Proportional to 10,010.86, 15,019.53 and 7,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.86 : 15,019.53 = 7,049.50 : x
2. Step 2: Convert to fraction form
   10,010.86/15,019.53 = 7,049.50/x
3. Step 3: Cross multiply
   10,010.86x = 15,019.53 × 7,049.50
4. Step 4: Simplify right side
   10,010.86x = 105,880,176.74
5. Step 5: Solve for x
   x = 105,880,176.74/10,010.86
6. Step 6: Final answer
   x = 10,576.53