Finding the Fourth Proportional to 10,524.82, 15,787.50 and 4,980.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,524.82 : 15,787.50 = 4,980.76 : x
2. Step 2: Convert to fraction form
   10,524.82/15,787.50 = 4,980.76/x
3. Step 3: Cross multiply
   10,524.82x = 15,787.50 × 4,980.76
4. Step 4: Simplify right side
   10,524.82x = 78,633,748.50
5. Step 5: Solve for x
   x = 78,633,748.50/10,524.82
6. Step 6: Final answer
   x = 7,471.27