Finding the Fourth Proportional to 4,980.71, 7,457.69 and 2,635.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,980.71 : 7,457.69 = 2,635.83 : x
2. Step 2: Convert to fraction form
   4,980.71/7,457.69 = 2,635.83/x
3. Step 3: Cross multiply
   4,980.71x = 7,457.69 × 2,635.83
4. Step 4: Simplify right side
   4,980.71x = 19,657,189.85
5. Step 5: Solve for x
   x = 19,657,189.85/4,980.71
6. Step 6: Final answer
   x = 3,946.67