Finding the Fourth Proportional to 123,820.04, 170,871.72 and 67,232.36

Step by Step Solution

1. Step 1: Write the proportion equation
   123,820.04 : 170,871.72 = 67,232.36 : x
2. Step 2: Convert to fraction form
   123,820.04/170,871.72 = 67,232.36/x
3. Step 3: Cross multiply
   123,820.04x = 170,871.72 × 67,232.36
4. Step 4: Simplify right side
   123,820.04x = 11,488,108,992.86
5. Step 5: Solve for x
   x = 11,488,108,992.86/123,820.04
6. Step 6: Final answer
   x = 92,780.69