Finding the Fourth Proportional to 78,904.89, 118,384.97 and 49,288.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,904.89 : 118,384.97 = 49,288.05 : x
2. Step 2: Convert to fraction form
   78,904.89/118,384.97 = 49,288.05/x
3. Step 3: Cross multiply
   78,904.89x = 118,384.97 × 49,288.05
4. Step 4: Simplify right side
   78,904.89x = 5,834,964,074.17
5. Step 5: Solve for x
   x = 5,834,964,074.17/78,904.89
6. Step 6: Final answer
   x = 73,949.33