Finding the Fourth Proportional to 10,073.67, 15,036.56 and 9,331.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,073.67 : 15,036.56 = 9,331.45 : x
2. Step 2: Convert to fraction form
   10,073.67/15,036.56 = 9,331.45/x
3. Step 3: Cross multiply
   10,073.67x = 15,036.56 × 9,331.45
4. Step 4: Simplify right side
   10,073.67x = 140,312,969.38
5. Step 5: Solve for x
   x = 140,312,969.38/10,073.67
6. Step 6: Final answer
   x = 13,928.69