Finding the Fourth Proportional to 483,143.32, 724,428.78 and 146,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   483,143.32 : 724,428.78 = 146,081.80 : x
2. Step 2: Convert to fraction form
   483,143.32/724,428.78 = 146,081.80/x
3. Step 3: Cross multiply
   483,143.32x = 724,428.78 × 146,081.80
4. Step 4: Simplify right side
   483,143.32x = 105,825,860,154.20
5. Step 5: Solve for x
   x = 105,825,860,154.20/483,143.32
6. Step 6: Final answer
   x = 219,036.17