Finding the Fourth Proportional to 189,333.68, 261,233.88 and 115,727.52

Step by Step Solution

1. Step 1: Write the proportion equation
   189,333.68 : 261,233.88 = 115,727.52 : x
2. Step 2: Convert to fraction form
   189,333.68/261,233.88 = 115,727.52/x
3. Step 3: Cross multiply
   189,333.68x = 261,233.88 × 115,727.52
4. Step 4: Simplify right side
   189,333.68x = 30,231,949,072.38
5. Step 5: Solve for x
   x = 30,231,949,072.38/189,333.68
6. Step 6: Final answer
   x = 159,675.49