Finding the Fourth Proportional to 76,576.56, 105,674.52 and 43,042.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,576.56 : 105,674.52 = 43,042.32 : x
2. Step 2: Convert to fraction form
   76,576.56/105,674.52 = 43,042.32/x
3. Step 3: Cross multiply
   76,576.56x = 105,674.52 × 43,042.32
4. Step 4: Simplify right side
   76,576.56x = 4,548,476,505.69
5. Step 5: Solve for x
   x = 4,548,476,505.69/76,576.56
6. Step 6: Final answer
   x = 59,397.76