Finding the Fourth Proportional to 9,953.30, 14,919.47 and 5,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.30 : 14,919.47 = 5,012.56 : x
2. Step 2: Convert to fraction form
   9,953.30/14,919.47 = 5,012.56/x
3. Step 3: Cross multiply
   9,953.30x = 14,919.47 × 5,012.56
4. Step 4: Simplify right side
   9,953.30x = 74,784,638.88
5. Step 5: Solve for x
   x = 74,784,638.88/9,953.30
6. Step 6: Final answer
   x = 7,513.56