Finding the Fourth Proportional to 3,978,384.12, 5,967,617.76 and 3,184,711.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,384.12 : 5,967,617.76 = 3,184,711.02 : x
2. Step 2: Convert to fraction form
   3,978,384.12/5,967,617.76 = 3,184,711.02/x
3. Step 3: Cross multiply
   3,978,384.12x = 5,967,617.76 × 3,184,711.02
4. Step 4: Simplify right side
   3,978,384.12x = 19,005,138,043,419.71
5. Step 5: Solve for x
   x = 19,005,138,043,419.71/3,978,384.12
6. Step 6: Final answer
   x = 4,777,099.81