Finding the Fourth Proportional to 146,571.83, 219,866.46 and 56,615.23

Step by Step Solution

1. Step 1: Write the proportion equation
   146,571.83 : 219,866.46 = 56,615.23 : x
2. Step 2: Convert to fraction form
   146,571.83/219,866.46 = 56,615.23/x
3. Step 3: Cross multiply
   146,571.83x = 219,866.46 × 56,615.23
4. Step 4: Simplify right side
   146,571.83x = 12,447,788,819.78
5. Step 5: Solve for x
   x = 12,447,788,819.78/146,571.83
6. Step 6: Final answer
   x = 84,926.20