Finding the Fourth Proportional to 17,385.12, 26,051.52 and 16,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,385.12 : 26,051.52 = 16,089.12 : x
2. Step 2: Convert to fraction form
   17,385.12/26,051.52 = 16,089.12/x
3. Step 3: Cross multiply
   17,385.12x = 26,051.52 × 16,089.12
4. Step 4: Simplify right side
   17,385.12x = 419,146,031.46
5. Step 5: Solve for x
   x = 419,146,031.46/17,385.12
6. Step 6: Final answer
   x = 24,109.47