Finding the Fourth Proportional to 106,216.92, 146,555.82 and 61,479

Step by Step Solution

1. Step 1: Write the proportion equation
   106,216.92 : 146,555.82 = 61,479 : x
2. Step 2: Convert to fraction form
   106,216.92/146,555.82 = 61,479/x
3. Step 3: Cross multiply
   106,216.92x = 146,555.82 × 61,479
4. Step 4: Simplify right side
   106,216.92x = 9,010,105,257.78
5. Step 5: Solve for x
   x = 9,010,105,257.78/106,216.92
6. Step 6: Final answer
   x = 84,827.40