Finding the Fourth Proportional to 342,126.63, 472,114.54 and 189,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,126.63 : 472,114.54 = 189,152.82 : x
2. Step 2: Convert to fraction form
   342,126.63/472,114.54 = 189,152.82/x
3. Step 3: Cross multiply
   342,126.63x = 472,114.54 × 189,152.82
4. Step 4: Simplify right side
   342,126.63x = 89,301,796,604.00
5. Step 5: Solve for x
   x = 89,301,796,604.00/342,126.63
6. Step 6: Final answer
   x = 261,019.72