Finding the Fourth Proportional to 170,432.89, 255,648.91 and 50,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   170,432.89 : 255,648.91 = 50,499.18 : x
2. Step 2: Convert to fraction form
   170,432.89/255,648.91 = 50,499.18/x
3. Step 3: Cross multiply
   170,432.89x = 255,648.91 × 50,499.18
4. Step 4: Simplify right side
   170,432.89x = 12,910,060,322.89
5. Step 5: Solve for x
   x = 12,910,060,322.89/170,432.89
6. Step 6: Final answer
   x = 75,748.64