Finding the Fourth Proportional to 342,048.76, 472,030.28 and 189,084.52

Step by Step Solution

1. Step 1: Write the proportion equation
   342,048.76 : 472,030.28 = 189,084.52 : x
2. Step 2: Convert to fraction form
   342,048.76/472,030.28 = 189,084.52/x
3. Step 3: Cross multiply
   342,048.76x = 472,030.28 × 189,084.52
4. Step 4: Simplify right side
   342,048.76x = 89,253,618,919.27
5. Step 5: Solve for x
   x = 89,253,618,919.27/342,048.76
6. Step 6: Final answer
   x = 260,938.29