Finding the Fourth Proportional to 131,222.60, 196,865.13 and 42,476.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,222.60 : 196,865.13 = 42,476.10 : x
2. Step 2: Convert to fraction form
   131,222.60/196,865.13 = 42,476.10/x
3. Step 3: Cross multiply
   131,222.60x = 196,865.13 × 42,476.10
4. Step 4: Simplify right side
   131,222.60x = 8,362,062,369.43
5. Step 5: Solve for x
   x = 8,362,062,369.43/131,222.60
6. Step 6: Final answer
   x = 63,724.26