Finding the Fourth Proportional to 13,069.29, 18,037.17 and 7,764.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069.29 : 18,037.17 = 7,764.13 : x
2. Step 2: Convert to fraction form
   13,069.29/18,037.17 = 7,764.13/x
3. Step 3: Cross multiply
   13,069.29x = 18,037.17 × 7,764.13
4. Step 4: Simplify right side
   13,069.29x = 140,042,803.71
5. Step 5: Solve for x
   x = 140,042,803.71/13,069.29
6. Step 6: Final answer
   x = 10,715.41