Finding the Fourth Proportional to 146,812.50, 202,618.53 and 87,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,812.50 : 202,618.53 = 87,196.50 : x
2. Step 2: Convert to fraction form
   146,812.50/202,618.53 = 87,196.50/x
3. Step 3: Cross multiply
   146,812.50x = 202,618.53 × 87,196.50
4. Step 4: Simplify right side
   146,812.50x = 17,667,626,651.15
5. Step 5: Solve for x
   x = 17,667,626,651.15/146,812.50
6. Step 6: Final answer
   x = 120,341.43