Finding the Fourth Proportional to 22,983.34, 31,714.77 and 12,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,983.34 : 31,714.77 = 12,909.50 : x
2. Step 2: Convert to fraction form
   22,983.34/31,714.77 = 12,909.50/x
3. Step 3: Cross multiply
   22,983.34x = 31,714.77 × 12,909.50
4. Step 4: Simplify right side
   22,983.34x = 409,421,823.32
5. Step 5: Solve for x
   x = 409,421,823.32/22,983.34
6. Step 6: Final answer
   x = 17,813.85