Finding the Fourth Proportional to 345,796.46, 518,569.88 and 146,132.27

Step by Step Solution

1. Step 1: Write the proportion equation
   345,796.46 : 518,569.88 = 146,132.27 : x
2. Step 2: Convert to fraction form
   345,796.46/518,569.88 = 146,132.27/x
3. Step 3: Cross multiply
   345,796.46x = 518,569.88 × 146,132.27
4. Step 4: Simplify right side
   345,796.46x = 75,779,790,394.52
5. Step 5: Solve for x
   x = 75,779,790,394.52/345,796.46
6. Step 6: Final answer
   x = 219,145.65