Finding the Fourth Proportional to 75,805.16, 104,611.94 and 42,271.72

Step by Step Solution

1. Step 1: Write the proportion equation
   75,805.16 : 104,611.94 = 42,271.72 : x
2. Step 2: Convert to fraction form
   75,805.16/104,611.94 = 42,271.72/x
3. Step 3: Cross multiply
   75,805.16x = 104,611.94 × 42,271.72
4. Step 4: Simplify right side
   75,805.16x = 4,422,126,636.34
5. Step 5: Solve for x
   x = 4,422,126,636.34/75,805.16
6. Step 6: Final answer
   x = 58,335.43