Finding the Fourth Proportional to 131,498.69, 197,250.66 and 42,751.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,498.69 : 197,250.66 = 42,751.98 : x
2. Step 2: Convert to fraction form
   131,498.69/197,250.66 = 42,751.98/x
3. Step 3: Cross multiply
   131,498.69x = 197,250.66 × 42,751.98
4. Step 4: Simplify right side
   131,498.69x = 8,432,856,271.31
5. Step 5: Solve for x
   x = 8,432,856,271.31/131,498.69
6. Step 6: Final answer
   x = 64,128.83