Finding the Fourth Proportional to 78,274.08, 117,144.18 and 49,796.64

Step by Step Solution

1. Step 1: Write the proportion equation
   78,274.08 : 117,144.18 = 49,796.64 : x
2. Step 2: Convert to fraction form
   78,274.08/117,144.18 = 49,796.64/x
3. Step 3: Cross multiply
   78,274.08x = 117,144.18 × 49,796.64
4. Step 4: Simplify right side
   78,274.08x = 5,833,386,559.56
5. Step 5: Solve for x
   x = 5,833,386,559.56/78,274.08
6. Step 6: Final answer
   x = 74,525.14