Finding the Fourth Proportional to 130,796.15, 196,212.68 and 42,019.89

Step by Step Solution

1. Step 1: Write the proportion equation
   130,796.15 : 196,212.68 = 42,019.89 : x
2. Step 2: Convert to fraction form
   130,796.15/196,212.68 = 42,019.89/x
3. Step 3: Cross multiply
   130,796.15x = 196,212.68 × 42,019.89
4. Step 4: Simplify right side
   130,796.15x = 8,244,835,020.11
5. Step 5: Solve for x
   x = 8,244,835,020.11/130,796.15
6. Step 6: Final answer
   x = 63,035.76