Finding the Fourth Proportional to 57,531, 86,171.86 and 27,886.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,531 : 86,171.86 = 27,886.82 : x
2. Step 2: Convert to fraction form
   57,531/86,171.86 = 27,886.82/x
3. Step 3: Cross multiply
   57,531x = 86,171.86 × 27,886.82
4. Step 4: Simplify right side
   57,531x = 2,403,059,148.89
5. Step 5: Solve for x
   x = 2,403,059,148.89/57,531
6. Step 6: Final answer
   x = 41,769.81