Finding the Fourth Proportional to 42,955.04, 64,408.72 and 14,860

Step by Step Solution

1. Step 1: Write the proportion equation
   42,955.04 : 64,408.72 = 14,860 : x
2. Step 2: Convert to fraction form
   42,955.04/64,408.72 = 14,860/x
3. Step 3: Cross multiply
   42,955.04x = 64,408.72 × 14,860
4. Step 4: Simplify right side
   42,955.04x = 957,113,579.20
5. Step 5: Solve for x
   x = 957,113,579.20/42,955.04
6. Step 6: Final answer
   x = 22,281.75