Finding the Fourth Proportional to 71,435.56, 98,583.41 and 39,607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,435.56 : 98,583.41 = 39,607.42 : x
2. Step 2: Convert to fraction form
   71,435.56/98,583.41 = 39,607.42/x
3. Step 3: Cross multiply
   71,435.56x = 98,583.41 × 39,607.42
4. Step 4: Simplify right side
   71,435.56x = 3,904,634,524.90
5. Step 5: Solve for x
   x = 3,904,634,524.90/71,435.56
6. Step 6: Final answer
   x = 54,659.54