Finding the Fourth Proportional to 171,686.82, 257,527.67 and 41,856.15

Step by Step Solution

1. Step 1: Write the proportion equation
   171,686.82 : 257,527.67 = 41,856.15 : x
2. Step 2: Convert to fraction form
   171,686.82/257,527.67 = 41,856.15/x
3. Step 3: Cross multiply
   171,686.82x = 257,527.67 × 41,856.15
4. Step 4: Simplify right side
   171,686.82x = 10,779,116,575.39
5. Step 5: Solve for x
   x = 10,779,116,575.39/171,686.82
6. Step 6: Final answer
   x = 62,783.60