Finding the Fourth Proportional to 10,618.83, 14,635.93 and 7,255.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.83 : 14,635.93 = 7,255.81 : x
2. Step 2: Convert to fraction form
   10,618.83/14,635.93 = 7,255.81/x
3. Step 3: Cross multiply
   10,618.83x = 14,635.93 × 7,255.81
4. Step 4: Simplify right side
   10,618.83x = 106,195,499.94
5. Step 5: Solve for x
   x = 106,195,499.94/10,618.83
6. Step 6: Final answer
   x = 10,000.67