Finding the Fourth Proportional to 131,111.51, 196,668.41 and 42,365.03

Step by Step Solution

1. Step 1: Write the proportion equation
   131,111.51 : 196,668.41 = 42,365.03 : x
2. Step 2: Convert to fraction form
   131,111.51/196,668.41 = 42,365.03/x
3. Step 3: Cross multiply
   131,111.51x = 196,668.41 × 42,365.03
4. Step 4: Simplify right side
   131,111.51x = 8,331,861,894.54
5. Step 5: Solve for x
   x = 8,331,861,894.54/131,111.51
6. Step 6: Final answer
   x = 63,547.91