Finding the Fourth Proportional to 55,148.79, 82,732.42 and 43,302.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,148.79 : 82,732.42 = 43,302.09 : x
2. Step 2: Convert to fraction form
   55,148.79/82,732.42 = 43,302.09/x
3. Step 3: Cross multiply
   55,148.79x = 82,732.42 × 43,302.09
4. Step 4: Simplify right side
   55,148.79x = 3,582,486,066.59
5. Step 5: Solve for x
   x = 3,582,486,066.59/55,148.79
6. Step 6: Final answer
   x = 64,960.37