Finding the Fourth Proportional to 56,970.05, 85,380.72 and 41,228.09

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970.05 : 85,380.72 = 41,228.09 : x
2. Step 2: Convert to fraction form
   56,970.05/85,380.72 = 41,228.09/x
3. Step 3: Cross multiply
   56,970.05x = 85,380.72 × 41,228.09
4. Step 4: Simplify right side
   56,970.05x = 3,520,084,008.42
5. Step 5: Solve for x
   x = 3,520,084,008.42/56,970.05
6. Step 6: Final answer
   x = 61,788.33