Finding the Fourth Proportional to 145,870.15, 201,316.90 and 84,629.83

Step by Step Solution

1. Step 1: Write the proportion equation
   145,870.15 : 201,316.90 = 84,629.83 : x
2. Step 2: Convert to fraction form
   145,870.15/201,316.90 = 84,629.83/x
3. Step 3: Cross multiply
   145,870.15x = 201,316.90 × 84,629.83
4. Step 4: Simplify right side
   145,870.15x = 17,037,414,016.54
5. Step 5: Solve for x
   x = 17,037,414,016.54/145,870.15
6. Step 6: Final answer
   x = 116,798.50