Finding the Fourth Proportional to 151,981.83, 209,760.99 and 88,356.54

Step by Step Solution

1. Step 1: Write the proportion equation
   151,981.83 : 209,760.99 = 88,356.54 : x
2. Step 2: Convert to fraction form
   151,981.83/209,760.99 = 88,356.54/x
3. Step 3: Cross multiply
   151,981.83x = 209,760.99 × 88,356.54
4. Step 4: Simplify right side
   151,981.83x = 18,533,755,303.37
5. Step 5: Solve for x
   x = 18,533,755,303.37/151,981.83
6. Step 6: Final answer
   x = 121,947.18