Finding the Fourth Proportional to 9,139.18, 13,715.98 and 4,696.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139.18 : 13,715.98 = 4,696.67 : x
2. Step 2: Convert to fraction form
   9,139.18/13,715.98 = 4,696.67/x
3. Step 3: Cross multiply
   9,139.18x = 13,715.98 × 4,696.67
4. Step 4: Simplify right side
   9,139.18x = 64,419,431.79
5. Step 5: Solve for x
   x = 64,419,431.79/9,139.18
6. Step 6: Final answer
   x = 7,048.71