Finding the Fourth Proportional to 141,645.62, 195,484.79 and 105,773.42

Step by Step Solution

1. Step 1: Write the proportion equation
   141,645.62 : 195,484.79 = 105,773.42 : x
2. Step 2: Convert to fraction form
   141,645.62/195,484.79 = 105,773.42/x
3. Step 3: Cross multiply
   141,645.62x = 195,484.79 × 105,773.42
4. Step 4: Simplify right side
   141,645.62x = 20,677,094,796.28
5. Step 5: Solve for x
   x = 20,677,094,796.28/141,645.62
6. Step 6: Final answer
   x = 145,977.65