Finding the Fourth Proportional to 67,550.42, 93,227.49 and 56,199.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67,550.42 : 93,227.49 = 56,199.89 : x
2. Step 2: Convert to fraction form
   67,550.42/93,227.49 = 56,199.89/x
3. Step 3: Cross multiply
   67,550.42x = 93,227.49 × 56,199.89
4. Step 4: Simplify right side
   67,550.42x = 5,239,374,916.04
5. Step 5: Solve for x
   x = 5,239,374,916.04/67,550.42
6. Step 6: Final answer
   x = 77,562.43