Finding the Fourth Proportional to 342,019.79, 471,968.86 and 189,048.86

Step by Step Solution

1. Step 1: Write the proportion equation
   342,019.79 : 471,968.86 = 189,048.86 : x
2. Step 2: Convert to fraction form
   342,019.79/471,968.86 = 189,048.86/x
3. Step 3: Cross multiply
   342,019.79x = 471,968.86 × 189,048.86
4. Step 4: Simplify right side
   342,019.79x = 89,225,174,938.50
5. Step 5: Solve for x
   x = 89,225,174,938.50/342,019.79
6. Step 6: Final answer
   x = 260,877.23