Finding the Fourth Proportional to 117,735.72, 162,490.02 and 67,434.76

Step by Step Solution

1. Step 1: Write the proportion equation
   117,735.72 : 162,490.02 = 67,434.76 : x
2. Step 2: Convert to fraction form
   117,735.72/162,490.02 = 67,434.76/x
3. Step 3: Cross multiply
   117,735.72x = 162,490.02 × 67,434.76
4. Step 4: Simplify right side
   117,735.72x = 10,957,475,501.10
5. Step 5: Solve for x
   x = 10,957,475,501.10/117,735.72
6. Step 6: Final answer
   x = 93,068.40