Finding the Fourth Proportional to 146,559.39, 219,690.72 and 57,875.46

Step by Step Solution

1. Step 1: Write the proportion equation
   146,559.39 : 219,690.72 = 57,875.46 : x
2. Step 2: Convert to fraction form
   146,559.39/219,690.72 = 57,875.46/x
3. Step 3: Cross multiply
   146,559.39x = 219,690.72 × 57,875.46
4. Step 4: Simplify right side
   146,559.39x = 12,714,701,477.73
5. Step 5: Solve for x
   x = 12,714,701,477.73/146,559.39
6. Step 6: Final answer
   x = 86,754.60