Finding the Fourth Proportional to 10,898.76, 15,048.72 and 8,376.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,898.76 : 15,048.72 = 8,376.84 : x
2. Step 2: Convert to fraction form
   10,898.76/15,048.72 = 8,376.84/x
3. Step 3: Cross multiply
   10,898.76x = 15,048.72 × 8,376.84
4. Step 4: Simplify right side
   10,898.76x = 126,060,719.64
5. Step 5: Solve for x
   x = 126,060,719.64/10,898.76
6. Step 6: Final answer
   x = 11,566.52