Finding the Fourth Proportional to 75,611.55, 113,412.72 and 33,479.31

Step by Step Solution

1. Step 1: Write the proportion equation
   75,611.55 : 113,412.72 = 33,479.31 : x
2. Step 2: Convert to fraction form
   75,611.55/113,412.72 = 33,479.31/x
3. Step 3: Cross multiply
   75,611.55x = 113,412.72 × 33,479.31
4. Step 4: Simplify right side
   75,611.55x = 3,796,979,610.82
5. Step 5: Solve for x
   x = 3,796,979,610.82/75,611.55
6. Step 6: Final answer
   x = 50,216.93