Finding the Fourth Proportional to 12,303.52, 16,978.55 and 6,998.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303.52 : 16,978.55 = 6,998.00 : x
2. Step 2: Convert to fraction form
   12,303.52/16,978.55 = 6,998.00/x
3. Step 3: Cross multiply
   12,303.52x = 16,978.55 × 6,998.00
4. Step 4: Simplify right side
   12,303.52x = 118,815,773.02
5. Step 5: Solve for x
   x = 118,815,773.02/12,303.52
6. Step 6: Final answer
   x = 9,657.06