Finding the Fourth Proportional to 89,968.25, 135,039.86 and 43,253.93

Step by Step Solution

1. Step 1: Write the proportion equation
   89,968.25 : 135,039.86 = 43,253.93 : x
2. Step 2: Convert to fraction form
   89,968.25/135,039.86 = 43,253.93/x
3. Step 3: Cross multiply
   89,968.25x = 135,039.86 × 43,253.93
4. Step 4: Simplify right side
   89,968.25x = 5,841,004,935.18
5. Step 5: Solve for x
   x = 5,841,004,935.18/89,968.25
6. Step 6: Final answer
   x = 64,922.96