Finding the Fourth Proportional to 10,049.31, 15,072.01 and 7,392.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.31 : 15,072.01 = 7,392.11 : x
2. Step 2: Convert to fraction form
   10,049.31/15,072.01 = 7,392.11/x
3. Step 3: Cross multiply
   10,049.31x = 15,072.01 × 7,392.11
4. Step 4: Simplify right side
   10,049.31x = 111,413,862.00
5. Step 5: Solve for x
   x = 111,413,862.00/10,049.31
6. Step 6: Final answer
   x = 11,086.72