Finding the Fourth Proportional to 151,926.62, 209,648.55 and 83,942.87

Step by Step Solution

1. Step 1: Write the proportion equation
   151,926.62 : 209,648.55 = 83,942.87 : x
2. Step 2: Convert to fraction form
   151,926.62/209,648.55 = 83,942.87/x
3. Step 3: Cross multiply
   151,926.62x = 209,648.55 × 83,942.87
4. Step 4: Simplify right side
   151,926.62x = 17,598,501,129.34
5. Step 5: Solve for x
   x = 17,598,501,129.34/151,926.62
6. Step 6: Final answer
   x = 115,835.53