Finding the Fourth Proportional to 464,091.50, 696,253.90 and 131,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   464,091.50 : 696,253.90 = 131,667.50 : x
2. Step 2: Convert to fraction form
   464,091.50/696,253.90 = 131,667.50/x
3. Step 3: Cross multiply
   464,091.50x = 696,253.90 × 131,667.50
4. Step 4: Simplify right side
   464,091.50x = 91,674,010,378.25
5. Step 5: Solve for x
   x = 91,674,010,378.25/464,091.50
6. Step 6: Final answer
   x = 197,534.34