Finding the Fourth Proportional to 3,978,369.42, 5,967,595.82 and 3,184,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,369.42 : 5,967,595.82 = 3,184,696.18 : x
2. Step 2: Convert to fraction form
   3,978,369.42/5,967,595.82 = 3,184,696.18/x
3. Step 3: Cross multiply
   3,978,369.42x = 5,967,595.82 × 3,184,696.18
4. Step 4: Simplify right side
   3,978,369.42x = 19,004,979,611,737.97
5. Step 5: Solve for x
   x = 19,004,979,611,737.97/3,978,369.42
6. Step 6: Final answer
   x = 4,777,077.64