Finding the Fourth Proportional to 342,016.79, 471,964.73 and 189,045.86

Step by Step Solution

1. Step 1: Write the proportion equation
   342,016.79 : 471,964.73 = 189,045.86 : x
2. Step 2: Convert to fraction form
   342,016.79/471,964.73 = 189,045.86/x
3. Step 3: Cross multiply
   342,016.79x = 471,964.73 × 189,045.86
4. Step 4: Simplify right side
   342,016.79x = 89,222,974,967.46
5. Step 5: Solve for x
   x = 89,222,974,967.46/342,016.79
6. Step 6: Final answer
   x = 260,873.09