Finding the Fourth Proportional to 59,642.56, 89,422.40 and 50,342.96

Step by Step Solution

1. Step 1: Write the proportion equation
   59,642.56 : 89,422.40 = 50,342.96 : x
2. Step 2: Convert to fraction form
   59,642.56/89,422.40 = 50,342.96/x
3. Step 3: Cross multiply
   59,642.56x = 89,422.40 × 50,342.96
4. Step 4: Simplify right side
   59,642.56x = 4,501,788,306.30
5. Step 5: Solve for x
   x = 4,501,788,306.30/59,642.56
6. Step 6: Final answer
   x = 75,479.46