Finding the Fourth Proportional to 188,884.81, 260,581.51 and 125,111.89

Step by Step Solution

1. Step 1: Write the proportion equation
   188,884.81 : 260,581.51 = 125,111.89 : x
2. Step 2: Convert to fraction form
   188,884.81/260,581.51 = 125,111.89/x
3. Step 3: Cross multiply
   188,884.81x = 260,581.51 × 125,111.89
4. Step 4: Simplify right side
   188,884.81x = 32,601,844,993.52
5. Step 5: Solve for x
   x = 32,601,844,993.52/188,884.81
6. Step 6: Final answer
   x = 172,601.73