Finding the Fourth Proportional to 42,932.75, 64,410.08 and 13,350.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,932.75 : 64,410.08 = 13,350.83 : x
2. Step 2: Convert to fraction form
   42,932.75/64,410.08 = 13,350.83/x
3. Step 3: Cross multiply
   42,932.75x = 64,410.08 × 13,350.83
4. Step 4: Simplify right side
   42,932.75x = 859,927,639.56
5. Step 5: Solve for x
   x = 859,927,639.56/42,932.75
6. Step 6: Final answer
   x = 20,029.64