Finding the Fourth Proportional to 151,931.76, 209,665.02 and 83,953.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,931.76 : 209,665.02 = 83,953.42 : x
2. Step 2: Convert to fraction form
   151,931.76/209,665.02 = 83,953.42/x
3. Step 3: Cross multiply
   151,931.76x = 209,665.02 × 83,953.42
4. Step 4: Simplify right side
   151,931.76x = 17,602,095,483.37
5. Step 5: Solve for x
   x = 17,602,095,483.37/151,931.76
6. Step 6: Final answer
   x = 115,855.27