Finding the Fourth Proportional to 342,047.76, 472,028.90 and 189,083.52

Step by Step Solution

1. Step 1: Write the proportion equation
   342,047.76 : 472,028.90 = 189,083.52 : x
2. Step 2: Convert to fraction form
   342,047.76/472,028.90 = 189,083.52/x
3. Step 3: Cross multiply
   342,047.76x = 472,028.90 × 189,083.52
4. Step 4: Simplify right side
   342,047.76x = 89,252,885,008.31
5. Step 5: Solve for x
   x = 89,252,885,008.31/342,047.76
6. Step 6: Final answer
   x = 260,936.91