Finding the Fourth Proportional to 106,016.10, 146,303.35 and 57,618.03

Step by Step Solution

1. Step 1: Write the proportion equation
   106,016.10 : 146,303.35 = 57,618.03 : x
2. Step 2: Convert to fraction form
   106,016.10/146,303.35 = 57,618.03/x
3. Step 3: Cross multiply
   106,016.10x = 146,303.35 × 57,618.03
4. Step 4: Simplify right side
   106,016.10x = 8,429,711,213.99
5. Step 5: Solve for x
   x = 8,429,711,213.99/106,016.10
6. Step 6: Final answer
   x = 79,513.50