Finding the Fourth Proportional to 71,099.42, 98,116.89 and 39,268.16

Step by Step Solution

1. Step 1: Write the proportion equation
   71,099.42 : 98,116.89 = 39,268.16 : x
2. Step 2: Convert to fraction form
   71,099.42/98,116.89 = 39,268.16/x
3. Step 3: Cross multiply
   71,099.42x = 98,116.89 × 39,268.16
4. Step 4: Simplify right side
   71,099.42x = 3,852,869,735.22
5. Step 5: Solve for x
   x = 3,852,869,735.22/71,099.42
6. Step 6: Final answer
   x = 54,189.89