Finding the Fourth Proportional to 56,628.65, 84,758.12 and 41,631.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,628.65 : 84,758.12 = 41,631.78 : x
2. Step 2: Convert to fraction form
   56,628.65/84,758.12 = 41,631.78/x
3. Step 3: Cross multiply
   56,628.65x = 84,758.12 × 41,631.78
4. Step 4: Simplify right side
   56,628.65x = 3,528,631,196.89
5. Step 5: Solve for x
   x = 3,528,631,196.89/56,628.65
6. Step 6: Final answer
   x = 62,311.77