Finding the Fourth Proportional to 9,926.28, 14,890.72 and 5,246.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.28 : 14,890.72 = 5,246.48 : x
2. Step 2: Convert to fraction form
   9,926.28/14,890.72 = 5,246.48/x
3. Step 3: Cross multiply
   9,926.28x = 14,890.72 × 5,246.48
4. Step 4: Simplify right side
   9,926.28x = 78,123,941.69
5. Step 5: Solve for x
   x = 78,123,941.69/9,926.28
6. Step 6: Final answer
   x = 7,870.41