Finding the Fourth Proportional to 12,500.01, 17,257.50 and 7,790.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500.01 : 17,257.50 = 7,790.67 : x
2. Step 2: Convert to fraction form
   12,500.01/17,257.50 = 7,790.67/x
3. Step 3: Cross multiply
   12,500.01x = 17,257.50 × 7,790.67
4. Step 4: Simplify right side
   12,500.01x = 134,447,487.53
5. Step 5: Solve for x
   x = 134,447,487.53/12,500.01
6. Step 6: Final answer
   x = 10,755.79