Finding the Fourth Proportional to 117,710.72, 162,384.96 and 67,381.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,710.72 : 162,384.96 = 67,381.12 : x
2. Step 2: Convert to fraction form
   117,710.72/162,384.96 = 67,381.12/x
3. Step 3: Cross multiply
   117,710.72x = 162,384.96 × 67,381.12
4. Step 4: Simplify right side
   117,710.72x = 10,941,680,475.96
5. Step 5: Solve for x
   x = 10,941,680,475.96/117,710.72
6. Step 6: Final answer
   x = 92,953.98