Finding the Fourth Proportional to 151,543.86, 209,131.98 and 83,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,543.86 : 209,131.98 = 83,563.50 : x
2. Step 2: Convert to fraction form
   151,543.86/209,131.98 = 83,563.50/x
3. Step 3: Cross multiply
   151,543.86x = 209,131.98 × 83,563.50
4. Step 4: Simplify right side
   151,543.86x = 17,475,800,210.73
5. Step 5: Solve for x
   x = 17,475,800,210.73/151,543.86
6. Step 6: Final answer
   x = 115,318.43