Finding the Fourth Proportional to 151,654.05, 209,283.31 and 83,671.02

Step by Step Solution

1. Step 1: Write the proportion equation
   151,654.05 : 209,283.31 = 83,671.02 : x
2. Step 2: Convert to fraction form
   151,654.05/209,283.31 = 83,671.02/x
3. Step 3: Cross multiply
   151,654.05x = 209,283.31 × 83,671.02
4. Step 4: Simplify right side
   151,654.05x = 17,510,946,970.26
5. Step 5: Solve for x
   x = 17,510,946,970.26/151,654.05
6. Step 6: Final answer
   x = 115,466.40