Finding the Fourth Proportional to 342,100.53, 472,062.56 and 189,114.08

Step by Step Solution

1. Step 1: Write the proportion equation
   342,100.53 : 472,062.56 = 189,114.08 : x
2. Step 2: Convert to fraction form
   342,100.53/472,062.56 = 189,114.08/x
3. Step 3: Cross multiply
   342,100.53x = 472,062.56 × 189,114.08
4. Step 4: Simplify right side
   342,100.53x = 89,273,673,430.96
5. Step 5: Solve for x
   x = 89,273,673,430.96/342,100.53
6. Step 6: Final answer
   x = 260,957.43