Finding the Fourth Proportional to 151,501.20, 209,062.27 and 83,518.76

Step by Step Solution

1. Step 1: Write the proportion equation
   151,501.20 : 209,062.27 = 83,518.76 : x
2. Step 2: Convert to fraction form
   151,501.20/209,062.27 = 83,518.76/x
3. Step 3: Cross multiply
   151,501.20x = 209,062.27 × 83,518.76
4. Step 4: Simplify right side
   151,501.20x = 17,460,621,710.45
5. Step 5: Solve for x
   x = 17,460,621,710.45/151,501.20
6. Step 6: Final answer
   x = 115,250.71