Finding the Fourth Proportional to 151,456.91, 209,009.85 and 83,473.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,456.91 : 209,009.85 = 83,473.74 : x
2. Step 2: Convert to fraction form
   151,456.91/209,009.85 = 83,473.74/x
3. Step 3: Cross multiply
   151,456.91x = 209,009.85 × 83,473.74
4. Step 4: Simplify right side
   151,456.91x = 17,446,833,876.34
5. Step 5: Solve for x
   x = 17,446,833,876.34/151,456.91
6. Step 6: Final answer
   x = 115,193.38