Finding the Fourth Proportional to 71,443.31, 107,170.79 and 35,886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   71,443.31 : 107,170.79 = 35,886.33 : x
2. Step 2: Convert to fraction form
   71,443.31/107,170.79 = 35,886.33/x
3. Step 3: Cross multiply
   71,443.31x = 107,170.79 × 35,886.33
4. Step 4: Simplify right side
   71,443.31x = 3,845,966,156.87
5. Step 5: Solve for x
   x = 3,845,966,156.87/71,443.31
6. Step 6: Final answer
   x = 53,832.42