Finding the Fourth Proportional to 71,705.41, 98,955.86 and 39,441.39

Step by Step Solution

1. Step 1: Write the proportion equation
   71,705.41 : 98,955.86 = 39,441.39 : x
2. Step 2: Convert to fraction form
   71,705.41/98,955.86 = 39,441.39/x
3. Step 3: Cross multiply
   71,705.41x = 98,955.86 × 39,441.39
4. Step 4: Simplify right side
   71,705.41x = 3,902,956,667.05
5. Step 5: Solve for x
   x = 3,902,956,667.05/71,705.41
6. Step 6: Final answer
   x = 54,430.44