Finding the Fourth Proportional to 34,106.21, 51,162.31 and 10,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,106.21 : 51,162.31 = 10,419.10 : x
2. Step 2: Convert to fraction form
   34,106.21/51,162.31 = 10,419.10/x
3. Step 3: Cross multiply
   34,106.21x = 51,162.31 × 10,419.10
4. Step 4: Simplify right side
   34,106.21x = 533,065,224.12
5. Step 5: Solve for x
   x = 533,065,224.12/34,106.21
6. Step 6: Final answer
   x = 15,629.56