Finding the Fourth Proportional to 141,710.31, 195,559.72 and 78,047.96

Step by Step Solution

1. Step 1: Write the proportion equation
   141,710.31 : 195,559.72 = 78,047.96 : x
2. Step 2: Convert to fraction form
   141,710.31/195,559.72 = 78,047.96/x
3. Step 3: Cross multiply
   141,710.31x = 195,559.72 × 78,047.96
4. Step 4: Simplify right side
   141,710.31x = 15,263,036,031.25
5. Step 5: Solve for x
   x = 15,263,036,031.25/141,710.31
6. Step 6: Final answer
   x = 107,705.90