Finding the Fourth Proportional to 121,111.43, 182,804.72 and 121,111.43

Step by Step Solution

1. Step 1: Write the proportion equation
   121,111.43 : 182,804.72 = 121,111.43 : x
2. Step 2: Convert to fraction form
   121,111.43/182,804.72 = 121,111.43/x
3. Step 3: Cross multiply
   121,111.43x = 182,804.72 × 121,111.43
4. Step 4: Simplify right side
   121,111.43x = 22,139,741,066.38
5. Step 5: Solve for x
   x = 22,139,741,066.38/121,111.43
6. Step 6: Final answer
   x = 182,804.72