Finding the Fourth Proportional to 7,980.83, 11,007.70 and 5,460.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980.83 : 11,007.70 = 5,460.31 : x
2. Step 2: Convert to fraction form
   7,980.83/11,007.70 = 5,460.31/x
3. Step 3: Cross multiply
   7,980.83x = 11,007.70 × 5,460.31
4. Step 4: Simplify right side
   7,980.83x = 60,105,454.50
5. Step 5: Solve for x
   x = 60,105,454.50/7,980.83
6. Step 6: Final answer
   x = 7,531.23