Finding the Fourth Proportional to 154,870.30, 232,212.50 and 53,635

Step by Step Solution

1. Step 1: Write the proportion equation
   154,870.30 : 232,212.50 = 53,635 : x
2. Step 2: Convert to fraction form
   154,870.30/232,212.50 = 53,635/x
3. Step 3: Cross multiply
   154,870.30x = 232,212.50 × 53,635
4. Step 4: Simplify right side
   154,870.30x = 12,454,717,437.50
5. Step 5: Solve for x
   x = 12,454,717,437.50/154,870.30
6. Step 6: Final answer
   x = 80,420.31