Finding the Fourth Proportional to 131,498.78, 197,220.83 and 46,121.00

Step by Step Solution

1. Step 1: Write the proportion equation
   131,498.78 : 197,220.83 = 46,121.00 : x
2. Step 2: Convert to fraction form
   131,498.78/197,220.83 = 46,121.00/x
3. Step 3: Cross multiply
   131,498.78x = 197,220.83 × 46,121.00
4. Step 4: Simplify right side
   131,498.78x = 9,096,020,683.72
5. Step 5: Solve for x
   x = 9,096,020,683.72/131,498.78
6. Step 6: Final answer
   x = 69,171.90