Finding the Fourth Proportional to 34,359.46, 51,538.38 and 10,986.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,359.46 : 51,538.38 = 10,986.10 : x
2. Step 2: Convert to fraction form
   34,359.46/51,538.38 = 10,986.10/x
3. Step 3: Cross multiply
   34,359.46x = 51,538.38 × 10,986.10
4. Step 4: Simplify right side
   34,359.46x = 566,205,796.52
5. Step 5: Solve for x
   x = 566,205,796.52/34,359.46
6. Step 6: Final answer
   x = 16,478.89