Finding the Fourth Proportional to 67,469.42, 93,115.70 and 56,118.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67,469.42 : 93,115.70 = 56,118.89 : x
2. Step 2: Convert to fraction form
   67,469.42/93,115.70 = 56,118.89/x
3. Step 3: Cross multiply
   67,469.42x = 93,115.70 × 56,118.89
4. Step 4: Simplify right side
   67,469.42x = 5,225,550,098.66
5. Step 5: Solve for x
   x = 5,225,550,098.66/67,469.42
6. Step 6: Final answer
   x = 77,450.64