Finding the Fourth Proportional to 121,498.40, 167,667.33 and 67,783.46

Step by Step Solution

1. Step 1: Write the proportion equation
   121,498.40 : 167,667.33 = 67,783.46 : x
2. Step 2: Convert to fraction form
   121,498.40/167,667.33 = 67,783.46/x
3. Step 3: Cross multiply
   121,498.40x = 167,667.33 × 67,783.46
4. Step 4: Simplify right side
   121,498.40x = 11,365,071,172.21
5. Step 5: Solve for x
   x = 11,365,071,172.21/121,498.40
6. Step 6: Final answer
   x = 93,540.91