Finding the Fourth Proportional to 7,672.90, 10,588.53 and 4,315.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,672.90 : 10,588.53 = 4,315.72 : x
2. Step 2: Convert to fraction form
   7,672.90/10,588.53 = 4,315.72/x
3. Step 3: Cross multiply
   7,672.90x = 10,588.53 × 4,315.72
4. Step 4: Simplify right side
   7,672.90x = 45,697,130.69
5. Step 5: Solve for x
   x = 45,697,130.69/7,672.90
6. Step 6: Final answer
   x = 5,955.65