Finding the Fourth Proportional to 123,619.96, 170,595.86 and 67,031.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,619.96 : 170,595.86 = 67,031.32 : x
2. Step 2: Convert to fraction form
   123,619.96/170,595.86 = 67,031.32/x
3. Step 3: Cross multiply
   123,619.96x = 170,595.86 × 67,031.32
4. Step 4: Simplify right side
   123,619.96x = 11,435,265,682.34
5. Step 5: Solve for x
   x = 11,435,265,682.34/123,619.96
6. Step 6: Final answer
   x = 92,503.39