Finding the Fourth Proportional to 167,388.76, 251,091.78 and 42,730.84

Step by Step Solution

1. Step 1: Write the proportion equation
   167,388.76 : 251,091.78 = 42,730.84 : x
2. Step 2: Convert to fraction form
   167,388.76/251,091.78 = 42,730.84/x
3. Step 3: Cross multiply
   167,388.76x = 251,091.78 × 42,730.84
4. Step 4: Simplify right side
   167,388.76x = 10,729,362,676.50
5. Step 5: Solve for x
   x = 10,729,362,676.50/167,388.76
6. Step 6: Final answer
   x = 64,098.47