Finding the Fourth Proportional to 43,066.49, 64,433.48 and 42,955.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43,066.49 : 64,433.48 = 42,955.72 : x
2. Step 2: Convert to fraction form
   43,066.49/64,433.48 = 42,955.72/x
3. Step 3: Cross multiply
   43,066.49x = 64,433.48 × 42,955.72
4. Step 4: Simplify right side
   43,066.49x = 2,767,786,149.64
5. Step 5: Solve for x
   x = 2,767,786,149.64/43,066.49
6. Step 6: Final answer
   x = 64,267.75