Finding the Fourth Proportional to 3,978,372.71, 5,967,600.73 and 3,184,699.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,372.71 : 5,967,600.73 = 3,184,699.47 : x
2. Step 2: Convert to fraction form
   3,978,372.71/5,967,600.73 = 3,184,699.47/x
3. Step 3: Cross multiply
   3,978,372.71x = 5,967,600.73 × 3,184,699.47
4. Step 4: Simplify right side
   3,978,372.71x = 19,005,014,866,079.12
5. Step 5: Solve for x
   x = 19,005,014,866,079.12/3,978,372.71
6. Step 6: Final answer
   x = 4,777,082.56