Finding the Fourth Proportional to 7,978.83, 11,969.98 and 2,432.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,978.83 : 11,969.98 = 2,432.03 : x
2. Step 2: Convert to fraction form
   7,978.83/11,969.98 = 2,432.03/x
3. Step 3: Cross multiply
   7,978.83x = 11,969.98 × 2,432.03
4. Step 4: Simplify right side
   7,978.83x = 29,111,350.46
5. Step 5: Solve for x
   x = 29,111,350.46/7,978.83
6. Step 6: Final answer
   x = 3,648.57