Finding the Fourth Proportional to 131,362.74, 197,071.79 and 42,609.32

Step by Step Solution

1. Step 1: Write the proportion equation
   131,362.74 : 197,071.79 = 42,609.32 : x
2. Step 2: Convert to fraction form
   131,362.74/197,071.79 = 42,609.32/x
3. Step 3: Cross multiply
   131,362.74x = 197,071.79 × 42,609.32
4. Step 4: Simplify right side
   131,362.74x = 8,397,095,196.53
5. Step 5: Solve for x
   x = 8,397,095,196.53/131,362.74
6. Step 6: Final answer
   x = 63,922.96