Finding the Fourth Proportional to 10,527.45, 15,768.50 and 4,972.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,527.45 : 15,768.50 = 4,972.47 : x
2. Step 2: Convert to fraction form
   10,527.45/15,768.50 = 4,972.47/x
3. Step 3: Cross multiply
   10,527.45x = 15,768.50 × 4,972.47
4. Step 4: Simplify right side
   10,527.45x = 78,408,368.33
5. Step 5: Solve for x
   x = 78,408,368.33/10,527.45
6. Step 6: Final answer
   x = 7,447.99