Finding the Fourth Proportional to 9,173.94, 13,765.86 and 3,980.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.94 : 13,765.86 = 3,980.22 : x
2. Step 2: Convert to fraction form
   9,173.94/13,765.86 = 3,980.22/x
3. Step 3: Cross multiply
   9,173.94x = 13,765.86 × 3,980.22
4. Step 4: Simplify right side
   9,173.94x = 54,791,151.29
5. Step 5: Solve for x
   x = 54,791,151.29/9,173.94
6. Step 6: Final answer
   x = 5,972.48