Finding the Fourth Proportional to 4,978.74, 7,461.12 and 3,934.14

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.74 : 7,461.12 = 3,934.14 : x
2. Step 2: Convert to fraction form
   4,978.74/7,461.12 = 3,934.14/x
3. Step 3: Cross multiply
   4,978.74x = 7,461.12 × 3,934.14
4. Step 4: Simplify right side
   4,978.74x = 29,353,090.64
5. Step 5: Solve for x
   x = 29,353,090.64/4,978.74
6. Step 6: Final answer
   x = 5,895.69