Finding the Fourth Proportional to 9,061.50, 13,526.76 and 8,412.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.50 : 13,526.76 = 8,412.69 : x
2. Step 2: Convert to fraction form
   9,061.50/13,526.76 = 8,412.69/x
3. Step 3: Cross multiply
   9,061.50x = 13,526.76 × 8,412.69
4. Step 4: Simplify right side
   9,061.50x = 113,796,520.86
5. Step 5: Solve for x
   x = 113,796,520.86/9,061.50
6. Step 6: Final answer
   x = 12,558.24