Finding the Fourth Proportional to 42,829.30, 64,254.75 and 34,584.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,829.30 : 64,254.75 = 34,584.22 : x
2. Step 2: Convert to fraction form
   42,829.30/64,254.75 = 34,584.22/x
3. Step 3: Cross multiply
   42,829.30x = 64,254.75 × 34,584.22
4. Step 4: Simplify right side
   42,829.30x = 2,222,200,410.05
5. Step 5: Solve for x
   x = 2,222,200,410.05/42,829.30
6. Step 6: Final answer
   x = 51,885.05