Finding the Fourth Proportional to 89,424.06, 123,397.98 and 51,700.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,424.06 : 123,397.98 = 51,700.74 : x
2. Step 2: Convert to fraction form
   89,424.06/123,397.98 = 51,700.74/x
3. Step 3: Cross multiply
   89,424.06x = 123,397.98 × 51,700.74
4. Step 4: Simplify right side
   89,424.06x = 6,379,766,880.51
5. Step 5: Solve for x
   x = 6,379,766,880.51/89,424.06
6. Step 6: Final answer
   x = 71,342.85