Finding the Fourth Proportional to 131,907.93, 197,886.50 and 43,166.30

Step by Step Solution

1. Step 1: Write the proportion equation
   131,907.93 : 197,886.50 = 43,166.30 : x
2. Step 2: Convert to fraction form
   131,907.93/197,886.50 = 43,166.30/x
3. Step 3: Cross multiply
   131,907.93x = 197,886.50 × 43,166.30
4. Step 4: Simplify right side
   131,907.93x = 8,542,026,819.69
5. Step 5: Solve for x
   x = 8,542,026,819.69/131,907.93
6. Step 6: Final answer
   x = 64,757.49