Finding the Fourth Proportional to 42,922.14, 64,373.82 and 21,839.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,922.14 : 64,373.82 = 21,839.82 : x
2. Step 2: Convert to fraction form
   42,922.14/64,373.82 = 21,839.82/x
3. Step 3: Cross multiply
   42,922.14x = 64,373.82 × 21,839.82
4. Step 4: Simplify right side
   42,922.14x = 1,405,912,641.51
5. Step 5: Solve for x
   x = 1,405,912,641.51/42,922.14
6. Step 6: Final answer
   x = 32,754.95