Finding the Fourth Proportional to 23,909.56, 33,018.86 and 19,702.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,909.56 : 33,018.86 = 19,702.31 : x
2. Step 2: Convert to fraction form
   23,909.56/33,018.86 = 19,702.31/x
3. Step 3: Cross multiply
   23,909.56x = 33,018.86 × 19,702.31
4. Step 4: Simplify right side
   23,909.56x = 650,547,815.57
5. Step 5: Solve for x
   x = 650,547,815.57/23,909.56
6. Step 6: Final answer
   x = 27,208.69