Finding the Fourth Proportional to 382,111.86, 526,787.46 and 304,849.56

Step by Step Solution

1. Step 1: Write the proportion equation
   382,111.86 : 526,787.46 = 304,849.56 : x
2. Step 2: Convert to fraction form
   382,111.86/526,787.46 = 304,849.56/x
3. Step 3: Cross multiply
   382,111.86x = 526,787.46 × 304,849.56
4. Step 4: Simplify right side
   382,111.86x = 160,590,925,394.52
5. Step 5: Solve for x
   x = 160,590,925,394.52/382,111.86
6. Step 6: Final answer
   x = 420,272.03