Finding the Fourth Proportional to 17,547.85, 24,236.15 and 12,789.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,547.85 : 24,236.15 = 12,789.01 : x
2. Step 2: Convert to fraction form
   17,547.85/24,236.15 = 12,789.01/x
3. Step 3: Cross multiply
   17,547.85x = 24,236.15 × 12,789.01
4. Step 4: Simplify right side
   17,547.85x = 309,956,364.71
5. Step 5: Solve for x
   x = 309,956,364.71/17,547.85
6. Step 6: Final answer
   x = 17,663.50