Finding the Fourth Proportional to 67,551.42, 93,228.87 and 56,200.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67,551.42 : 93,228.87 = 56,200.89 : x
2. Step 2: Convert to fraction form
   67,551.42/93,228.87 = 56,200.89/x
3. Step 3: Cross multiply
   67,551.42x = 93,228.87 × 56,200.89
4. Step 4: Simplify right side
   67,551.42x = 5,239,545,467.69
5. Step 5: Solve for x
   x = 5,239,545,467.69/67,551.42
6. Step 6: Final answer
   x = 77,563.81