Finding the Fourth Proportional to 151,572.79, 209,166.98 and 83,587.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,572.79 : 209,166.98 = 83,587.83 : x
2. Step 2: Convert to fraction form
   151,572.79/209,166.98 = 83,587.83/x
3. Step 3: Cross multiply
   151,572.79x = 209,166.98 × 83,587.83
4. Step 4: Simplify right side
   151,572.79x = 17,483,813,965.85
5. Step 5: Solve for x
   x = 17,483,813,965.85/151,572.79
6. Step 6: Final answer
   x = 115,349.29