Finding the Fourth Proportional to 42,961.45, 64,418.54 and 22,994.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,961.45 : 64,418.54 = 22,994.37 : x
2. Step 2: Convert to fraction form
   42,961.45/64,418.54 = 22,994.37/x
3. Step 3: Cross multiply
   42,961.45x = 64,418.54 × 22,994.37
4. Step 4: Simplify right side
   42,961.45x = 1,481,263,667.40
5. Step 5: Solve for x
   x = 1,481,263,667.40/42,961.45
6. Step 6: Final answer
   x = 34,478.90