Finding the Fourth Proportional to 16,973.58, 23,417.12 and 12,507.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.58 : 23,417.12 = 12,507.99 : x
2. Step 2: Convert to fraction form
   16,973.58/23,417.12 = 12,507.99/x
3. Step 3: Cross multiply
   16,973.58x = 23,417.12 × 12,507.99
4. Step 4: Simplify right side
   16,973.58x = 292,900,975.89
5. Step 5: Solve for x
   x = 292,900,975.89/16,973.58
6. Step 6: Final answer
   x = 17,256.28