Finding the Fourth Proportional to 131,241.56, 196,566.89 and 91,973.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,241.56 : 196,566.89 = 91,973.98 : x
2. Step 2: Convert to fraction form
   131,241.56/196,566.89 = 91,973.98/x
3. Step 3: Cross multiply
   131,241.56x = 196,566.89 × 91,973.98
4. Step 4: Simplify right side
   131,241.56x = 18,079,038,226.69
5. Step 5: Solve for x
   x = 18,079,038,226.69/131,241.56
6. Step 6: Final answer
   x = 137,753.91