Finding the Fourth Proportional to 10,526.32, 15,789.76 and 4,982.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,526.32 : 15,789.76 = 4,982.28 : x
2. Step 2: Convert to fraction form
   10,526.32/15,789.76 = 4,982.28/x
3. Step 3: Cross multiply
   10,526.32x = 15,789.76 × 4,982.28
4. Step 4: Simplify right side
   10,526.32x = 78,669,005.45
5. Step 5: Solve for x
   x = 78,669,005.45/10,526.32
6. Step 6: Final answer
   x = 7,473.55