Finding the Fourth Proportional to 12,064.38, 16,645.23 and 7,808.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,064.38 : 16,645.23 = 7,808.70 : x
2. Step 2: Convert to fraction form
   12,064.38/16,645.23 = 7,808.70/x
3. Step 3: Cross multiply
   12,064.38x = 16,645.23 × 7,808.70
4. Step 4: Simplify right side
   12,064.38x = 129,977,607.50
5. Step 5: Solve for x
   x = 129,977,607.50/12,064.38
6. Step 6: Final answer
   x = 10,773.67