Finding the Fourth Proportional to 121,499.76, 167,667.29 and 67,057.05

Step by Step Solution

1. Step 1: Write the proportion equation
   121,499.76 : 167,667.29 = 67,057.05 : x
2. Step 2: Convert to fraction form
   121,499.76/167,667.29 = 67,057.05/x
3. Step 3: Cross multiply
   121,499.76x = 167,667.29 × 67,057.05
4. Step 4: Simplify right side
   121,499.76x = 11,243,273,513.61
5. Step 5: Solve for x
   x = 11,243,273,513.61/121,499.76
6. Step 6: Final answer
   x = 92,537.41