Finding the Fourth Proportional to 43,131.09, 64,989.89 and 35,897.38

Step by Step Solution

1. Step 1: Write the proportion equation
   43,131.09 : 64,989.89 = 35,897.38 : x
2. Step 2: Convert to fraction form
   43,131.09/64,989.89 = 35,897.38/x
3. Step 3: Cross multiply
   43,131.09x = 64,989.89 × 35,897.38
4. Step 4: Simplify right side
   43,131.09x = 2,332,966,777.49
5. Step 5: Solve for x
   x = 2,332,966,777.49/43,131.09
6. Step 6: Final answer
   x = 54,090.14