Finding the Fourth Proportional to 116,725.59, 161,077.82 and 85,028.67

Step by Step Solution

1. Step 1: Write the proportion equation
   116,725.59 : 161,077.82 = 85,028.67 : x
2. Step 2: Convert to fraction form
   116,725.59/161,077.82 = 85,028.67/x
3. Step 3: Cross multiply
   116,725.59x = 161,077.82 × 85,028.67
4. Step 4: Simplify right side
   116,725.59x = 13,696,232,375.96
5. Step 5: Solve for x
   x = 13,696,232,375.96/116,725.59
6. Step 6: Final answer
   x = 117,337.02