Finding the Fourth Proportional to 23,111.87, 34,639.02 and 10,618.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.87 : 34,639.02 = 10,618.61 : x
2. Step 2: Convert to fraction form
   23,111.87/34,639.02 = 10,618.61/x
3. Step 3: Cross multiply
   23,111.87x = 34,639.02 × 10,618.61
4. Step 4: Simplify right side
   23,111.87x = 367,818,070.97
5. Step 5: Solve for x
   x = 367,818,070.97/23,111.87
6. Step 6: Final answer
   x = 15,914.69