Finding the Fourth Proportional to 131,112.51, 196,669.91 and 42,366.03

Step by Step Solution

1. Step 1: Write the proportion equation
   131,112.51 : 196,669.91 = 42,366.03 : x
2. Step 2: Convert to fraction form
   131,112.51/196,669.91 = 42,366.03/x
3. Step 3: Cross multiply
   131,112.51x = 196,669.91 × 42,366.03
4. Step 4: Simplify right side
   131,112.51x = 8,332,123,307.16
5. Step 5: Solve for x
   x = 8,332,123,307.16/131,112.51
6. Step 6: Final answer
   x = 63,549.41