Finding the Fourth Proportional to 316,572.83, 436,870.42 and 173,332.83

Step by Step Solution

1. Step 1: Write the proportion equation
   316,572.83 : 436,870.42 = 173,332.83 : x
2. Step 2: Convert to fraction form
   316,572.83/436,870.42 = 173,332.83/x
3. Step 3: Cross multiply
   316,572.83x = 436,870.42 × 173,332.83
4. Step 4: Simplify right side
   316,572.83x = 75,723,986,241.89
5. Step 5: Solve for x
   x = 75,723,986,241.89/316,572.83
6. Step 6: Final answer
   x = 239,199.26