Finding the Fourth Proportional to 117,761.82, 162,179.30 and 117,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,761.82 : 162,179.30 = 117,392.72 : x
2. Step 2: Convert to fraction form
   117,761.82/162,179.30 = 117,392.72/x
3. Step 3: Cross multiply
   117,761.82x = 162,179.30 × 117,392.72
4. Step 4: Simplify right side
   117,761.82x = 19,038,669,154.70
5. Step 5: Solve for x
   x = 19,038,669,154.70/117,761.82
6. Step 6: Final answer
   x = 161,670.98