Finding the Fourth Proportional to 9,976.46, 13,742.58 and 7,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.46 : 13,742.58 = 7,614.50 : x
2. Step 2: Convert to fraction form
   9,976.46/13,742.58 = 7,614.50/x
3. Step 3: Cross multiply
   9,976.46x = 13,742.58 × 7,614.50
4. Step 4: Simplify right side
   9,976.46x = 104,642,875.41
5. Step 5: Solve for x
   x = 104,642,875.41/9,976.46
6. Step 6: Final answer
   x = 10,488.98