Finding the Fourth Proportional to 16,878.51, 23,293.52 and 9,807.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,878.51 : 23,293.52 = 9,807.15 : x
2. Step 2: Convert to fraction form
   16,878.51/23,293.52 = 9,807.15/x
3. Step 3: Cross multiply
   16,878.51x = 23,293.52 × 9,807.15
4. Step 4: Simplify right side
   16,878.51x = 228,442,995.63
5. Step 5: Solve for x
   x = 228,442,995.63/16,878.51
6. Step 6: Final answer
   x = 13,534.55