Finding the Fourth Proportional to 23,064.18, 31,830.48 and 12,994.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,064.18 : 31,830.48 = 12,994.58 : x
2. Step 2: Convert to fraction form
   23,064.18/31,830.48 = 12,994.58/x
3. Step 3: Cross multiply
   23,064.18x = 31,830.48 × 12,994.58
4. Step 4: Simplify right side
   23,064.18x = 413,623,718.80
5. Step 5: Solve for x
   x = 413,623,718.80/23,064.18
6. Step 6: Final answer
   x = 17,933.60