Finding the Fourth Proportional to 17,856.59, 24,641.55 and 9,898.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.59 : 24,641.55 = 9,898.34 : x
2. Step 2: Convert to fraction form
   17,856.59/24,641.55 = 9,898.34/x
3. Step 3: Cross multiply
   17,856.59x = 24,641.55 × 9,898.34
4. Step 4: Simplify right side
   17,856.59x = 243,910,316.82
5. Step 5: Solve for x
   x = 243,910,316.82/17,856.59
6. Step 6: Final answer
   x = 13,659.40