Finding the Fourth Proportional to 10,803.48, 14,915.58 and 7,828.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,803.48 : 14,915.58 = 7,828.92 : x
2. Step 2: Convert to fraction form
   10,803.48/14,915.58 = 7,828.92/x
3. Step 3: Cross multiply
   10,803.48x = 14,915.58 × 7,828.92
4. Step 4: Simplify right side
   10,803.48x = 116,772,882.57
5. Step 5: Solve for x
   x = 116,772,882.57/10,803.48
6. Step 6: Final answer
   x = 10,808.82