Finding the Fourth Proportional to 342,429.63, 472,566.82 and 189,465.34

Step by Step Solution

1. Step 1: Write the proportion equation
   342,429.63 : 472,566.82 = 189,465.34 : x
2. Step 2: Convert to fraction form
   342,429.63/472,566.82 = 189,465.34/x
3. Step 3: Cross multiply
   342,429.63x = 472,566.82 × 189,465.34
4. Step 4: Simplify right side
   342,429.63x = 89,535,032,280.46
5. Step 5: Solve for x
   x = 89,535,032,280.46/342,429.63
6. Step 6: Final answer
   x = 261,469.87