Finding the Fourth Proportional to 67,235.51, 100,915.58 and 33,978.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,235.51 : 100,915.58 = 33,978.98 : x
2. Step 2: Convert to fraction form
   67,235.51/100,915.58 = 33,978.98/x
3. Step 3: Cross multiply
   67,235.51x = 100,915.58 × 33,978.98
4. Step 4: Simplify right side
   67,235.51x = 3,429,008,474.51
5. Step 5: Solve for x
   x = 3,429,008,474.51/67,235.51
6. Step 6: Final answer
   x = 50,999.96