Finding the Fourth Proportional to 7,932.03, 11,892.15 and 4,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,932.03 : 11,892.15 = 4,812.72 : x
2. Step 2: Convert to fraction form
   7,932.03/11,892.15 = 4,812.72/x
3. Step 3: Cross multiply
   7,932.03x = 11,892.15 × 4,812.72
4. Step 4: Simplify right side
   7,932.03x = 57,233,588.15
5. Step 5: Solve for x
   x = 57,233,588.15/7,932.03
6. Step 6: Final answer
   x = 7,215.50