Finding the Fourth Proportional to 89,503.02, 123,510.85 and 49,214.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,503.02 : 123,510.85 = 49,214.39 : x
2. Step 2: Convert to fraction form
   89,503.02/123,510.85 = 49,214.39/x
3. Step 3: Cross multiply
   89,503.02x = 123,510.85 × 49,214.39
4. Step 4: Simplify right side
   89,503.02x = 6,078,510,400.54
5. Step 5: Solve for x
   x = 6,078,510,400.54/89,503.02
6. Step 6: Final answer
   x = 67,914.03